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Finding the Fourth Proportional to 17,489.65, 26,242.22 and 9,167.68

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Solution

The fourth proportional to 17,489.65, 26,242.22 and 9,167.68 is: 13,755.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,489.65 : 26,242.22 = 9,167.68 : x
  2. Step 2: Convert to fraction form
    17,489.65/26,242.22 = 9,167.68/x
  3. Step 3: Cross multiply
    17,489.65x = 26,242.22 × 9,167.68
  4. Step 4: Simplify right side
    17,489.65x = 240,580,275.45
  5. Step 5: Solve for x
    x = 240,580,275.45/17,489.65
  6. Step 6: Final answer
    x = 13,755.58

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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.