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Finding the Fourth Proportional to 17,487.60, 26,239.12 and 9,165.62

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Solution

The fourth proportional to 17,487.60, 26,239.12 and 9,165.62 is: 13,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.60 : 26,239.12 = 9,165.62 : x
  2. Step 2: Convert to fraction form
    17,487.60/26,239.12 = 9,165.62/x
  3. Step 3: Cross multiply
    17,487.60x = 26,239.12 × 9,165.62
  4. Step 4: Simplify right side
    17,487.60x = 240,497,897.29
  5. Step 5: Solve for x
    x = 240,497,897.29/17,487.60
  6. Step 6: Final answer
    x = 13,752.48

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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.