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Finding the Fourth Proportional to 65,673.66, 98,517.80 and 28,237.52

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Solution

The fourth proportional to 65,673.66, 98,517.80 and 28,237.52 is: 42,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,673.66 : 98,517.80 = 28,237.52 : x
  2. Step 2: Convert to fraction form
    65,673.66/98,517.80 = 28,237.52/x
  3. Step 3: Cross multiply
    65,673.66x = 98,517.80 × 28,237.52
  4. Step 4: Simplify right side
    65,673.66x = 2,781,898,347.86
  5. Step 5: Solve for x
    x = 2,781,898,347.86/65,673.66
  6. Step 6: Final answer
    x = 42,359.42

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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.