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Finding the Fourth Proportional to 48,444, 72,684.24 and 15,612

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Solution

The fourth proportional to 48,444, 72,684.24 and 15,612 is: 23,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,444 : 72,684.24 = 15,612 : x
  2. Step 2: Convert to fraction form
    48,444/72,684.24 = 15,612/x
  3. Step 3: Cross multiply
    48,444x = 72,684.24 × 15,612
  4. Step 4: Simplify right side
    48,444x = 1,134,746,354.88
  5. Step 5: Solve for x
    x = 1,134,746,354.88/48,444
  6. Step 6: Final answer
    x = 23,423.88

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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.