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Finding the Fourth Proportional to 7,693,572.60, 11,540,358.90 and 7,365,943.80

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Solution

The fourth proportional to 7,693,572.60, 11,540,358.90 and 7,365,943.80 is: 11,048,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693,572.60 : 11,540,358.90 = 7,365,943.80 : x
  2. Step 2: Convert to fraction form
    7,693,572.60/11,540,358.90 = 7,365,943.80/x
  3. Step 3: Cross multiply
    7,693,572.60x = 11,540,358.90 × 7,365,943.80
  4. Step 4: Simplify right side
    7,693,572.60x = 85,005,635,089,229.83
  5. Step 5: Solve for x
    x = 85,005,635,089,229.83/7,693,572.60
  6. Step 6: Final answer
    x = 11,048,915.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.