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Finding the Fourth Proportional to 62,273.48, 85,912.71 and 38,358.68

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Solution

The fourth proportional to 62,273.48, 85,912.71 and 38,358.68 is: 52,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,273.48 : 85,912.71 = 38,358.68 : x
  2. Step 2: Convert to fraction form
    62,273.48/85,912.71 = 38,358.68/x
  3. Step 3: Cross multiply
    62,273.48x = 85,912.71 × 38,358.68
  4. Step 4: Simplify right side
    62,273.48x = 3,295,498,150.82
  5. Step 5: Solve for x
    x = 3,295,498,150.82/62,273.48
  6. Step 6: Final answer
    x = 52,919.77

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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.