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Finding the Fourth Proportional to 47,691.99, 65,816.15 and 26,472.15

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Solution

The fourth proportional to 47,691.99, 65,816.15 and 26,472.15 is: 36,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,691.99 : 65,816.15 = 26,472.15 : x
  2. Step 2: Convert to fraction form
    47,691.99/65,816.15 = 26,472.15/x
  3. Step 3: Cross multiply
    47,691.99x = 65,816.15 × 26,472.15
  4. Step 4: Simplify right side
    47,691.99x = 1,742,294,862.86
  5. Step 5: Solve for x
    x = 1,742,294,862.86/47,691.99
  6. Step 6: Final answer
    x = 36,532.23

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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.