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Finding the Fourth Proportional to 13,967,654.01, 20,945,371.92 and 7,046,874.28

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Solution

The fourth proportional to 13,967,654.01, 20,945,371.92 and 7,046,874.28 is: 10,567,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967,654.01 : 20,945,371.92 = 7,046,874.28 : x
  2. Step 2: Convert to fraction form
    13,967,654.01/20,945,371.92 = 7,046,874.28/x
  3. Step 3: Cross multiply
    13,967,654.01x = 20,945,371.92 × 7,046,874.28
  4. Step 4: Simplify right side
    13,967,654.01x = 147,599,402,668,082.25
  5. Step 5: Solve for x
    x = 147,599,402,668,082.25/13,967,654.01
  6. Step 6: Final answer
    x = 10,567,229.30

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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.