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Finding the Fourth Proportional to 34,767.90, 52,101.90 and 21,612.60

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Solution

The fourth proportional to 34,767.90, 52,101.90 and 21,612.60 is: 32,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,767.90 : 52,101.90 = 21,612.60 : x
  2. Step 2: Convert to fraction form
    34,767.90/52,101.90 = 21,612.60/x
  3. Step 3: Cross multiply
    34,767.90x = 52,101.90 × 21,612.60
  4. Step 4: Simplify right side
    34,767.90x = 1,126,057,523.94
  5. Step 5: Solve for x
    x = 1,126,057,523.94/34,767.90
  6. Step 6: Final answer
    x = 32,387.85

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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.