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Finding the Fourth Proportional to 59,377.80, 89,066.70 and 58,456.20

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Solution

The fourth proportional to 59,377.80, 89,066.70 and 58,456.20 is: 87,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,377.80 : 89,066.70 = 58,456.20 : x
  2. Step 2: Convert to fraction form
    59,377.80/89,066.70 = 58,456.20/x
  3. Step 3: Cross multiply
    59,377.80x = 89,066.70 × 58,456.20
  4. Step 4: Simplify right side
    59,377.80x = 5,206,500,828.54
  5. Step 5: Solve for x
    x = 5,206,500,828.54/59,377.80
  6. Step 6: Final answer
    x = 87,684.30

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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.