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Finding the Fourth Proportional to 57,891.59, 86,837.38 and 16,338.59

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Solution

The fourth proportional to 57,891.59, 86,837.38 and 16,338.59 is: 24,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,891.59 : 86,837.38 = 16,338.59 : x
  2. Step 2: Convert to fraction form
    57,891.59/86,837.38 = 16,338.59/x
  3. Step 3: Cross multiply
    57,891.59x = 86,837.38 × 16,338.59
  4. Step 4: Simplify right side
    57,891.59x = 1,418,799,832.61
  5. Step 5: Solve for x
    x = 1,418,799,832.61/57,891.59
  6. Step 6: Final answer
    x = 24,507.88

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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.