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Finding the Fourth Proportional to 63,289.60, 94,761.46 and 45,538

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Solution

The fourth proportional to 63,289.60, 94,761.46 and 45,538 is: 68,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,289.60 : 94,761.46 = 45,538 : x
  2. Step 2: Convert to fraction form
    63,289.60/94,761.46 = 45,538/x
  3. Step 3: Cross multiply
    63,289.60x = 94,761.46 × 45,538
  4. Step 4: Simplify right side
    63,289.60x = 4,315,247,365.48
  5. Step 5: Solve for x
    x = 4,315,247,365.48/63,289.60
  6. Step 6: Final answer
    x = 68,182.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.