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Finding the Fourth Proportional to 59,687.64, 82,364.76 and 32,831.28

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Solution

The fourth proportional to 59,687.64, 82,364.76 and 32,831.28 is: 45,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,687.64 : 82,364.76 = 32,831.28 : x
  2. Step 2: Convert to fraction form
    59,687.64/82,364.76 = 32,831.28/x
  3. Step 3: Cross multiply
    59,687.64x = 82,364.76 × 32,831.28
  4. Step 4: Simplify right side
    59,687.64x = 2,704,140,497.69
  5. Step 5: Solve for x
    x = 2,704,140,497.69/59,687.64
  6. Step 6: Final answer
    x = 45,304.87

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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.