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Finding the Fourth Proportional to 62,115.58, 93,187.95 and 17,742.97

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Solution

The fourth proportional to 62,115.58, 93,187.95 and 17,742.97 is: 26,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,115.58 : 93,187.95 = 17,742.97 : x
  2. Step 2: Convert to fraction form
    62,115.58/93,187.95 = 17,742.97/x
  3. Step 3: Cross multiply
    62,115.58x = 93,187.95 × 17,742.97
  4. Step 4: Simplify right side
    62,115.58x = 1,653,431,001.21
  5. Step 5: Solve for x
    x = 1,653,431,001.21/62,115.58
  6. Step 6: Final answer
    x = 26,618.62

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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.