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Finding the Fourth Proportional to 63,658.50, 87,848.79 and 35,366.82

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Solution

The fourth proportional to 63,658.50, 87,848.79 and 35,366.82 is: 48,806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,658.50 : 87,848.79 = 35,366.82 : x
  2. Step 2: Convert to fraction form
    63,658.50/87,848.79 = 35,366.82/x
  3. Step 3: Cross multiply
    63,658.50x = 87,848.79 × 35,366.82
  4. Step 4: Simplify right side
    63,658.50x = 3,106,932,343.15
  5. Step 5: Solve for x
    x = 3,106,932,343.15/63,658.50
  6. Step 6: Final answer
    x = 48,806.24

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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.