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Finding the Fourth Proportional to 55,915.52, 83,925.12 and 28,232.96

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Solution

The fourth proportional to 55,915.52, 83,925.12 and 28,232.96 is: 42,375.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,915.52 : 83,925.12 = 28,232.96 : x
  2. Step 2: Convert to fraction form
    55,915.52/83,925.12 = 28,232.96/x
  3. Step 3: Cross multiply
    55,915.52x = 83,925.12 × 28,232.96
  4. Step 4: Simplify right side
    55,915.52x = 2,369,454,555.96
  5. Step 5: Solve for x
    x = 2,369,454,555.96/55,915.52
  6. Step 6: Final answer
    x = 42,375.62

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