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Finding the Fourth Proportional to 38,377.78, 57,566.70 and 10,675.78

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Solution

The fourth proportional to 38,377.78, 57,566.70 and 10,675.78 is: 16,013.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,377.78 : 57,566.70 = 10,675.78 : x
  2. Step 2: Convert to fraction form
    38,377.78/57,566.70 = 10,675.78/x
  3. Step 3: Cross multiply
    38,377.78x = 57,566.70 × 10,675.78
  4. Step 4: Simplify right side
    38,377.78x = 614,569,424.53
  5. Step 5: Solve for x
    x = 614,569,424.53/38,377.78
  6. Step 6: Final answer
    x = 16,013.68

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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.