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Finding the Fourth Proportional to 60,720.97, 91,084.18 and 18,597.98

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Solution

The fourth proportional to 60,720.97, 91,084.18 and 18,597.98 is: 27,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720.97 : 91,084.18 = 18,597.98 : x
  2. Step 2: Convert to fraction form
    60,720.97/91,084.18 = 18,597.98/x
  3. Step 3: Cross multiply
    60,720.97x = 91,084.18 × 18,597.98
  4. Step 4: Simplify right side
    60,720.97x = 1,693,981,757.96
  5. Step 5: Solve for x
    x = 1,693,981,757.96/60,720.97
  6. Step 6: Final answer
    x = 27,897.80

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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.