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Finding the Fourth Proportional to 63,033.76, 86,986.61 and 34,353.44

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Solution

The fourth proportional to 63,033.76, 86,986.61 and 34,353.44 is: 47,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,033.76 : 86,986.61 = 34,353.44 : x
  2. Step 2: Convert to fraction form
    63,033.76/86,986.61 = 34,353.44/x
  3. Step 3: Cross multiply
    63,033.76x = 86,986.61 × 34,353.44
  4. Step 4: Simplify right side
    63,033.76x = 2,988,289,287.44
  5. Step 5: Solve for x
    x = 2,988,289,287.44/63,033.76
  6. Step 6: Final answer
    x = 47,407.76

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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.