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Finding the Fourth Proportional to 59,800.88, 89,700.36 and 20,385.44

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Solution

The fourth proportional to 59,800.88, 89,700.36 and 20,385.44 is: 30,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,800.88 : 89,700.36 = 20,385.44 : x
  2. Step 2: Convert to fraction form
    59,800.88/89,700.36 = 20,385.44/x
  3. Step 3: Cross multiply
    59,800.88x = 89,700.36 × 20,385.44
  4. Step 4: Simplify right side
    59,800.88x = 1,828,581,306.76
  5. Step 5: Solve for x
    x = 1,828,581,306.76/59,800.88
  6. Step 6: Final answer
    x = 30,577.83

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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.