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Finding the Fourth Proportional to 38,133.70, 57,200.55 and 11,841.10

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Solution

The fourth proportional to 38,133.70, 57,200.55 and 11,841.10 is: 17,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,133.70 : 57,200.55 = 11,841.10 : x
  2. Step 2: Convert to fraction form
    38,133.70/57,200.55 = 11,841.10/x
  3. Step 3: Cross multiply
    38,133.70x = 57,200.55 × 11,841.10
  4. Step 4: Simplify right side
    38,133.70x = 677,317,432.61
  5. Step 5: Solve for x
    x = 677,317,432.61/38,133.70
  6. Step 6: Final answer
    x = 17,761.65

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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.