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Finding the Fourth Proportional to 59,503.73, 89,255.90 and 20,061.19

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Solution

The fourth proportional to 59,503.73, 89,255.90 and 20,061.19 is: 30,091.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,503.73 : 89,255.90 = 20,061.19 : x
  2. Step 2: Convert to fraction form
    59,503.73/89,255.90 = 20,061.19/x
  3. Step 3: Cross multiply
    59,503.73x = 89,255.90 × 20,061.19
  4. Step 4: Simplify right side
    59,503.73x = 1,790,579,171.76
  5. Step 5: Solve for x
    x = 1,790,579,171.76/59,503.73
  6. Step 6: Final answer
    x = 30,091.88

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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.