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Finding the Fourth Proportional to 89,589.53, 123,647.15 and 53,799.27

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Solution

The fourth proportional to 89,589.53, 123,647.15 and 53,799.27 is: 74,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,589.53 : 123,647.15 = 53,799.27 : x
  2. Step 2: Convert to fraction form
    89,589.53/123,647.15 = 53,799.27/x
  3. Step 3: Cross multiply
    89,589.53x = 123,647.15 × 53,799.27
  4. Step 4: Simplify right side
    89,589.53x = 6,652,126,542.08
  5. Step 5: Solve for x
    x = 6,652,126,542.08/89,589.53
  6. Step 6: Final answer
    x = 74,251.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.