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Finding the Fourth Proportional to 17,617.43, 26,428.87 and 5,929.74

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Solution

The fourth proportional to 17,617.43, 26,428.87 and 5,929.74 is: 8,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.43 : 26,428.87 = 5,929.74 : x
  2. Step 2: Convert to fraction form
    17,617.43/26,428.87 = 5,929.74/x
  3. Step 3: Cross multiply
    17,617.43x = 26,428.87 × 5,929.74
  4. Step 4: Simplify right side
    17,617.43x = 156,716,335.01
  5. Step 5: Solve for x
    x = 156,716,335.01/17,617.43
  6. Step 6: Final answer
    x = 8,895.53

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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.