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Finding the Fourth Proportional to 17,612.78, 26,419.23 and 5,926.91

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Solution

The fourth proportional to 17,612.78, 26,419.23 and 5,926.91 is: 8,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.78 : 26,419.23 = 5,926.91 : x
  2. Step 2: Convert to fraction form
    17,612.78/26,419.23 = 5,926.91/x
  3. Step 3: Cross multiply
    17,612.78x = 26,419.23 × 5,926.91
  4. Step 4: Simplify right side
    17,612.78x = 156,584,266.38
  5. Step 5: Solve for x
    x = 156,584,266.38/17,612.78
  6. Step 6: Final answer
    x = 8,890.38

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Similar ratio
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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.