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Finding the Fourth Proportional to 40,462.79, 55,831.59 and 23,468.58

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Solution

The fourth proportional to 40,462.79, 55,831.59 and 23,468.58 is: 32,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,462.79 : 55,831.59 = 23,468.58 : x
  2. Step 2: Convert to fraction form
    40,462.79/55,831.59 = 23,468.58/x
  3. Step 3: Cross multiply
    40,462.79x = 55,831.59 × 23,468.58
  4. Step 4: Simplify right side
    40,462.79x = 1,310,288,136.44
  5. Step 5: Solve for x
    x = 1,310,288,136.44/40,462.79
  6. Step 6: Final answer
    x = 32,382.55

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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.