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Finding the Fourth Proportional to 48,298.80, 72,469.80 and 23,329.20

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Solution

The fourth proportional to 48,298.80, 72,469.80 and 23,329.20 is: 35,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,298.80 : 72,469.80 = 23,329.20 : x
  2. Step 2: Convert to fraction form
    48,298.80/72,469.80 = 23,329.20/x
  3. Step 3: Cross multiply
    48,298.80x = 72,469.80 × 23,329.20
  4. Step 4: Simplify right side
    48,298.80x = 1,690,662,458.16
  5. Step 5: Solve for x
    x = 1,690,662,458.16/48,298.80
  6. Step 6: Final answer
    x = 35,004.23

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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.