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Finding the Fourth Proportional to 16,721,512.25, 25,086,482.00 and 4,754,248.25

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Solution

The fourth proportional to 16,721,512.25, 25,086,482.00 and 4,754,248.25 is: 7,132,570.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721,512.25 : 25,086,482.00 = 4,754,248.25 : x
  2. Step 2: Convert to fraction form
    16,721,512.25/25,086,482.00 = 4,754,248.25/x
  3. Step 3: Cross multiply
    16,721,512.25x = 25,086,482.00 × 4,754,248.25
  4. Step 4: Simplify right side
    16,721,512.25x = 119,267,363,123,385.27
  5. Step 5: Solve for x
    x = 119,267,363,123,385.27/16,721,512.25
  6. Step 6: Final answer
    x = 7,132,570.39

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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.