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Finding the Fourth Proportional to 34,982,323.20, 52,495,603.20 and 20,605,363.20

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Solution

The fourth proportional to 34,982,323.20, 52,495,603.20 and 20,605,363.20 is: 30,921,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,982,323.20 : 52,495,603.20 = 20,605,363.20 : x
  2. Step 2: Convert to fraction form
    34,982,323.20/52,495,603.20 = 20,605,363.20/x
  3. Step 3: Cross multiply
    34,982,323.20x = 52,495,603.20 × 20,605,363.20
  4. Step 4: Simplify right side
    34,982,323.20x = 1,081,690,970,339,082.25
  5. Step 5: Solve for x
    x = 1,081,690,970,339,082.25/34,982,323.20
  6. Step 6: Final answer
    x = 30,921,073.03

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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.