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Finding the Fourth Proportional to 48,684.83, 72,618.20 and 44,200.11

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Solution

The fourth proportional to 48,684.83, 72,618.20 and 44,200.11 is: 65,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,684.83 : 72,618.20 = 44,200.11 : x
  2. Step 2: Convert to fraction form
    48,684.83/72,618.20 = 44,200.11/x
  3. Step 3: Cross multiply
    48,684.83x = 72,618.20 × 44,200.11
  4. Step 4: Simplify right side
    48,684.83x = 3,209,732,893.70
  5. Step 5: Solve for x
    x = 3,209,732,893.70/48,684.83
  6. Step 6: Final answer
    x = 65,928.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.