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Finding the Fourth Proportional to 59,651.49, 89,481.80 and 19,654.90

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Solution

The fourth proportional to 59,651.49, 89,481.80 and 19,654.90 is: 29,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,651.49 : 89,481.80 = 19,654.90 : x
  2. Step 2: Convert to fraction form
    59,651.49/89,481.80 = 19,654.90/x
  3. Step 3: Cross multiply
    59,651.49x = 89,481.80 × 19,654.90
  4. Step 4: Simplify right side
    59,651.49x = 1,758,755,830.82
  5. Step 5: Solve for x
    x = 1,758,755,830.82/59,651.49
  6. Step 6: Final answer
    x = 29,483.85

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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.