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Finding the Fourth Proportional to 48,549.68, 72,799.91 and 22,231.87

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Solution

The fourth proportional to 48,549.68, 72,799.91 and 22,231.87 is: 33,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,549.68 : 72,799.91 = 22,231.87 : x
  2. Step 2: Convert to fraction form
    48,549.68/72,799.91 = 22,231.87/x
  3. Step 3: Cross multiply
    48,549.68x = 72,799.91 × 22,231.87
  4. Step 4: Simplify right side
    48,549.68x = 1,618,478,050.40
  5. Step 5: Solve for x
    x = 1,618,478,050.40/48,549.68
  6. Step 6: Final answer
    x = 33,336.53

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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.