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Finding the Fourth Proportional to 63,393.31, 87,488.63 and 35,099.00

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Solution

The fourth proportional to 63,393.31, 87,488.63 and 35,099.00 is: 48,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,393.31 : 87,488.63 = 35,099.00 : x
  2. Step 2: Convert to fraction form
    63,393.31/87,488.63 = 35,099.00/x
  3. Step 3: Cross multiply
    63,393.31x = 87,488.63 × 35,099.00
  4. Step 4: Simplify right side
    63,393.31x = 3,070,762,986.93
  5. Step 5: Solve for x
    x = 3,070,762,986.93/63,393.31
  6. Step 6: Final answer
    x = 48,439.86

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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.