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Finding the Fourth Proportional to 17,617.50, 26,404.65 and 10,593.18

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Solution

The fourth proportional to 17,617.50, 26,404.65 and 10,593.18 is: 15,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.50 : 26,404.65 = 10,593.18 : x
  2. Step 2: Convert to fraction form
    17,617.50/26,404.65 = 10,593.18/x
  3. Step 3: Cross multiply
    17,617.50x = 26,404.65 × 10,593.18
  4. Step 4: Simplify right side
    17,617.50x = 279,709,210.29
  5. Step 5: Solve for x
    x = 279,709,210.29/17,617.50
  6. Step 6: Final answer
    x = 15,876.78

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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.