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Finding the Fourth Proportional to 38,707.66, 57,963.01 and 25,520.02

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Solution

The fourth proportional to 38,707.66, 57,963.01 and 25,520.02 is: 38,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,707.66 : 57,963.01 = 25,520.02 : x
  2. Step 2: Convert to fraction form
    38,707.66/57,963.01 = 25,520.02/x
  3. Step 3: Cross multiply
    38,707.66x = 57,963.01 × 25,520.02
  4. Step 4: Simplify right side
    38,707.66x = 1,479,217,174.46
  5. Step 5: Solve for x
    x = 1,479,217,174.46/38,707.66
  6. Step 6: Final answer
    x = 38,215.10

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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.