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Finding the Fourth Proportional to 59,091.80, 88,491.90 and 44,220.20

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Solution

The fourth proportional to 59,091.80, 88,491.90 and 44,220.20 is: 66,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,091.80 : 88,491.90 = 44,220.20 : x
  2. Step 2: Convert to fraction form
    59,091.80/88,491.90 = 44,220.20/x
  3. Step 3: Cross multiply
    59,091.80x = 88,491.90 × 44,220.20
  4. Step 4: Simplify right side
    59,091.80x = 3,913,129,516.38
  5. Step 5: Solve for x
    x = 3,913,129,516.38/59,091.80
  6. Step 6: Final answer
    x = 66,221.19

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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.