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Finding the Fourth Proportional to 38,360.70, 57,540.51 and 10,658.70

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Solution

The fourth proportional to 38,360.70, 57,540.51 and 10,658.70 is: 15,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,360.70 : 57,540.51 = 10,658.70 : x
  2. Step 2: Convert to fraction form
    38,360.70/57,540.51 = 10,658.70/x
  3. Step 3: Cross multiply
    38,360.70x = 57,540.51 × 10,658.70
  4. Step 4: Simplify right side
    38,360.70x = 613,307,033.94
  5. Step 5: Solve for x
    x = 613,307,033.94/38,360.70
  6. Step 6: Final answer
    x = 15,987.90

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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.