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Finding the Fourth Proportional to 48,542.48, 72,831.24 and 16,957.22

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Solution

The fourth proportional to 48,542.48, 72,831.24 and 16,957.22 is: 25,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,542.48 : 72,831.24 = 16,957.22 : x
  2. Step 2: Convert to fraction form
    48,542.48/72,831.24 = 16,957.22/x
  3. Step 3: Cross multiply
    48,542.48x = 72,831.24 × 16,957.22
  4. Step 4: Simplify right side
    48,542.48x = 1,235,015,359.55
  5. Step 5: Solve for x
    x = 1,235,015,359.55/48,542.48
  6. Step 6: Final answer
    x = 25,441.95

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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.