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Finding the Fourth Proportional to 48,658.84, 72,999.18 and 15,380.84

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Solution

The fourth proportional to 48,658.84, 72,999.18 and 15,380.84 is: 23,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,658.84 : 72,999.18 = 15,380.84 : x
  2. Step 2: Convert to fraction form
    48,658.84/72,999.18 = 15,380.84/x
  3. Step 3: Cross multiply
    48,658.84x = 72,999.18 × 15,380.84
  4. Step 4: Simplify right side
    48,658.84x = 1,122,788,707.71
  5. Step 5: Solve for x
    x = 1,122,788,707.71/48,658.84
  6. Step 6: Final answer
    x = 23,074.71

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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.