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Finding the Fourth Proportional to 63,399.52, 87,491.30 and 35,107

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Solution

The fourth proportional to 63,399.52, 87,491.30 and 35,107 is: 48,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,399.52 : 87,491.30 = 35,107 : x
  2. Step 2: Convert to fraction form
    63,399.52/87,491.30 = 35,107/x
  3. Step 3: Cross multiply
    63,399.52x = 87,491.30 × 35,107
  4. Step 4: Simplify right side
    63,399.52x = 3,071,557,069.10
  5. Step 5: Solve for x
    x = 3,071,557,069.10/63,399.52
  6. Step 6: Final answer
    x = 48,447.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.