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Finding the Fourth Proportional to 63,829.40, 88,060.77 and 63,730.98

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Solution

The fourth proportional to 63,829.40, 88,060.77 and 63,730.98 is: 87,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,829.40 : 88,060.77 = 63,730.98 : x
  2. Step 2: Convert to fraction form
    63,829.40/88,060.77 = 63,730.98/x
  3. Step 3: Cross multiply
    63,829.40x = 88,060.77 × 63,730.98
  4. Step 4: Simplify right side
    63,829.40x = 5,612,199,171.65
  5. Step 5: Solve for x
    x = 5,612,199,171.65/63,829.40
  6. Step 6: Final answer
    x = 87,924.99

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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.