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Finding the Fourth Proportional to 9,198,615.60, 13,797,923.40 and 7,046,279.55

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Solution

The fourth proportional to 9,198,615.60, 13,797,923.40 and 7,046,279.55 is: 10,569,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198,615.60 : 13,797,923.40 = 7,046,279.55 : x
  2. Step 2: Convert to fraction form
    9,198,615.60/13,797,923.40 = 7,046,279.55/x
  3. Step 3: Cross multiply
    9,198,615.60x = 13,797,923.40 × 7,046,279.55
  4. Step 4: Simplify right side
    9,198,615.60x = 97,224,025,485,886.47
  5. Step 5: Solve for x
    x = 97,224,025,485,886.47/9,198,615.60
  6. Step 6: Final answer
    x = 10,569,419.33

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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.