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Finding the Fourth Proportional to 21,063,049.20, 29,528,082 and 21,063,049.20

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Solution

The fourth proportional to 21,063,049.20, 29,528,082 and 21,063,049.20 is: 29,528,082

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,049.20 : 29,528,082 = 21,063,049.20 : x
  2. Step 2: Convert to fraction form
    21,063,049.20/29,528,082 = 21,063,049.20/x
  3. Step 3: Cross multiply
    21,063,049.20x = 29,528,082 × 21,063,049.20
  4. Step 4: Simplify right side
    21,063,049.20x = 621,951,443,947,634.38
  5. Step 5: Solve for x
    x = 621,951,443,947,634.38/21,063,049.20
  6. Step 6: Final answer
    x = 29,528,082

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.