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Finding the Fourth Proportional to 48,241.92, 72,369.89 and 14,964.66

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Solution

The fourth proportional to 48,241.92, 72,369.89 and 14,964.66 is: 22,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,241.92 : 72,369.89 = 14,964.66 : x
  2. Step 2: Convert to fraction form
    48,241.92/72,369.89 = 14,964.66/x
  3. Step 3: Cross multiply
    48,241.92x = 72,369.89 × 14,964.66
  4. Step 4: Simplify right side
    48,241.92x = 1,082,990,723.26
  5. Step 5: Solve for x
    x = 1,082,990,723.26/48,241.92
  6. Step 6: Final answer
    x = 22,449.16

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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.