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Finding the Fourth Proportional to 48,493.80, 72,692.10 and 22,217.40

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Solution

The fourth proportional to 48,493.80, 72,692.10 and 22,217.40 is: 33,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,493.80 : 72,692.10 = 22,217.40 : x
  2. Step 2: Convert to fraction form
    48,493.80/72,692.10 = 22,217.40/x
  3. Step 3: Cross multiply
    48,493.80x = 72,692.10 × 22,217.40
  4. Step 4: Simplify right side
    48,493.80x = 1,615,029,462.54
  5. Step 5: Solve for x
    x = 1,615,029,462.54/48,493.80
  6. Step 6: Final answer
    x = 33,303.83

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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.