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Finding the Fourth Proportional to 8,337.78, 11,500.71 and 5,348.88

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Solution

The fourth proportional to 8,337.78, 11,500.71 and 5,348.88 is: 7,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.78 : 11,500.71 = 5,348.88 : x
  2. Step 2: Convert to fraction form
    8,337.78/11,500.71 = 5,348.88/x
  3. Step 3: Cross multiply
    8,337.78x = 11,500.71 × 5,348.88
  4. Step 4: Simplify right side
    8,337.78x = 61,515,917.70
  5. Step 5: Solve for x
    x = 61,515,917.70/8,337.78
  6. Step 6: Final answer
    x = 7,377.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.