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Finding the Fourth Proportional to 6,912,062.70, 10,368,094.05 and 6,100,248.30

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Solution

The fourth proportional to 6,912,062.70, 10,368,094.05 and 6,100,248.30 is: 9,150,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,062.70 : 10,368,094.05 = 6,100,248.30 : x
  2. Step 2: Convert to fraction form
    6,912,062.70/10,368,094.05 = 6,100,248.30/x
  3. Step 3: Cross multiply
    6,912,062.70x = 10,368,094.05 × 6,100,248.30
  4. Step 4: Simplify right side
    6,912,062.70x = 63,247,948,102,752.62
  5. Step 5: Solve for x
    x = 63,247,948,102,752.62/6,912,062.70
  6. Step 6: Final answer
    x = 9,150,372.45

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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.