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Finding the Fourth Proportional to 59,571.80, 89,221.56 and 28,428.92

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Solution

The fourth proportional to 59,571.80, 89,221.56 and 28,428.92 is: 42,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,571.80 : 89,221.56 = 28,428.92 : x
  2. Step 2: Convert to fraction form
    59,571.80/89,221.56 = 28,428.92/x
  3. Step 3: Cross multiply
    59,571.80x = 89,221.56 × 28,428.92
  4. Step 4: Simplify right side
    59,571.80x = 2,536,472,591.52
  5. Step 5: Solve for x
    x = 2,536,472,591.52/59,571.80
  6. Step 6: Final answer
    x = 42,578.41

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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.