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Finding the Fourth Proportional to 17,512.98, 26,242.47 and 8,618.10

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Solution

The fourth proportional to 17,512.98, 26,242.47 and 8,618.10 is: 12,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,512.98 : 26,242.47 = 8,618.10 : x
  2. Step 2: Convert to fraction form
    17,512.98/26,242.47 = 8,618.10/x
  3. Step 3: Cross multiply
    17,512.98x = 26,242.47 × 8,618.10
  4. Step 4: Simplify right side
    17,512.98x = 226,160,230.71
  5. Step 5: Solve for x
    x = 226,160,230.71/17,512.98
  6. Step 6: Final answer
    x = 12,913.86

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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.