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Finding the Fourth Proportional to 52,932.93, 79,397.51 and 13,489.71

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Solution

The fourth proportional to 52,932.93, 79,397.51 and 13,489.71 is: 20,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,932.93 : 79,397.51 = 13,489.71 : x
  2. Step 2: Convert to fraction form
    52,932.93/79,397.51 = 13,489.71/x
  3. Step 3: Cross multiply
    52,932.93x = 79,397.51 × 13,489.71
  4. Step 4: Simplify right side
    52,932.93x = 1,071,049,317.17
  5. Step 5: Solve for x
    x = 1,071,049,317.17/52,932.93
  6. Step 6: Final answer
    x = 20,234.08

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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.