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Finding the Fourth Proportional to 48,506.80, 72,711.60 and 22,230.40

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Solution

The fourth proportional to 48,506.80, 72,711.60 and 22,230.40 is: 33,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,506.80 : 72,711.60 = 22,230.40 : x
  2. Step 2: Convert to fraction form
    48,506.80/72,711.60 = 22,230.40/x
  3. Step 3: Cross multiply
    48,506.80x = 72,711.60 × 22,230.40
  4. Step 4: Simplify right side
    48,506.80x = 1,616,407,952.64
  5. Step 5: Solve for x
    x = 1,616,407,952.64/48,506.80
  6. Step 6: Final answer
    x = 33,323.33

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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.