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Finding the Fourth Proportional to 17,866.68, 24,654.80 and 9,908.62

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Solution

The fourth proportional to 17,866.68, 24,654.80 and 9,908.62 is: 13,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,866.68 : 24,654.80 = 9,908.62 : x
  2. Step 2: Convert to fraction form
    17,866.68/24,654.80 = 9,908.62/x
  3. Step 3: Cross multiply
    17,866.68x = 24,654.80 × 9,908.62
  4. Step 4: Simplify right side
    17,866.68x = 244,295,044.38
  5. Step 5: Solve for x
    x = 244,295,044.38/17,866.68
  6. Step 6: Final answer
    x = 13,673.22

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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.