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Finding the Fourth Proportional to 65,818.52, 90,829.52 and 36,010.52

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Solution

The fourth proportional to 65,818.52, 90,829.52 and 36,010.52 is: 49,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,818.52 : 90,829.52 = 36,010.52 : x
  2. Step 2: Convert to fraction form
    65,818.52/90,829.52 = 36,010.52/x
  3. Step 3: Cross multiply
    65,818.52x = 90,829.52 × 36,010.52
  4. Step 4: Simplify right side
    65,818.52x = 3,270,818,246.55
  5. Step 5: Solve for x
    x = 3,270,818,246.55/65,818.52
  6. Step 6: Final answer
    x = 49,694.50

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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.