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Finding the Fourth Proportional to 59,682.80, 89,524.20 and 28,073.21

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Solution

The fourth proportional to 59,682.80, 89,524.20 and 28,073.21 is: 42,109.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,682.80 : 89,524.20 = 28,073.21 : x
  2. Step 2: Convert to fraction form
    59,682.80/89,524.20 = 28,073.21/x
  3. Step 3: Cross multiply
    59,682.80x = 89,524.20 × 28,073.21
  4. Step 4: Simplify right side
    59,682.80x = 2,513,231,666.68
  5. Step 5: Solve for x
    x = 2,513,231,666.68/59,682.80
  6. Step 6: Final answer
    x = 42,109.82

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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.