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Finding the Fourth Proportional to 48,840, 73,140.52 and 44,106.86

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Solution

The fourth proportional to 48,840, 73,140.52 and 44,106.86 is: 66,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,840 : 73,140.52 = 44,106.86 : x
  2. Step 2: Convert to fraction form
    48,840/73,140.52 = 44,106.86/x
  3. Step 3: Cross multiply
    48,840x = 73,140.52 × 44,106.86
  4. Step 4: Simplify right side
    48,840x = 3,225,998,675.97
  5. Step 5: Solve for x
    x = 3,225,998,675.97/48,840
  6. Step 6: Final answer
    x = 66,052.39

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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.