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Finding the Fourth Proportional to 22,691.43, 34,044.08 and 11,605.90

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Solution

The fourth proportional to 22,691.43, 34,044.08 and 11,605.90 is: 17,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,691.43 : 34,044.08 = 11,605.90 : x
  2. Step 2: Convert to fraction form
    22,691.43/34,044.08 = 11,605.90/x
  3. Step 3: Cross multiply
    22,691.43x = 34,044.08 × 11,605.90
  4. Step 4: Simplify right side
    22,691.43x = 395,112,188.07
  5. Step 5: Solve for x
    x = 395,112,188.07/22,691.43
  6. Step 6: Final answer
    x = 17,412.40

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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.