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Finding the Fourth Proportional to 65,300.52, 89,988.39 and 44,042.88

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Solution

The fourth proportional to 65,300.52, 89,988.39 and 44,042.88 is: 60,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,300.52 : 89,988.39 = 44,042.88 : x
  2. Step 2: Convert to fraction form
    65,300.52/89,988.39 = 44,042.88/x
  3. Step 3: Cross multiply
    65,300.52x = 89,988.39 × 44,042.88
  4. Step 4: Simplify right side
    65,300.52x = 3,963,347,862.16
  5. Step 5: Solve for x
    x = 3,963,347,862.16/65,300.52
  6. Step 6: Final answer
    x = 60,693.97

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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.