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Finding the Fourth Proportional to 59,773.68, 89,660.16 and 18,220.68

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Solution

The fourth proportional to 59,773.68, 89,660.16 and 18,220.68 is: 27,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,773.68 : 89,660.16 = 18,220.68 : x
  2. Step 2: Convert to fraction form
    59,773.68/89,660.16 = 18,220.68/x
  3. Step 3: Cross multiply
    59,773.68x = 89,660.16 × 18,220.68
  4. Step 4: Simplify right side
    59,773.68x = 1,633,669,084.11
  5. Step 5: Solve for x
    x = 1,633,669,084.11/59,773.68
  6. Step 6: Final answer
    x = 27,330.91

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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.