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Finding the Fourth Proportional to 65,925.80, 98,845.02 and 36,357.80

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Solution

The fourth proportional to 65,925.80, 98,845.02 and 36,357.80 is: 54,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,925.80 : 98,845.02 = 36,357.80 : x
  2. Step 2: Convert to fraction form
    65,925.80/98,845.02 = 36,357.80/x
  3. Step 3: Cross multiply
    65,925.80x = 98,845.02 × 36,357.80
  4. Step 4: Simplify right side
    65,925.80x = 3,593,787,468.16
  5. Step 5: Solve for x
    x = 3,593,787,468.16/65,925.80
  6. Step 6: Final answer
    x = 54,512.61

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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.