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Finding the Fourth Proportional to 48,617.88, 72,926.82 and 15,785.88

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Solution

The fourth proportional to 48,617.88, 72,926.82 and 15,785.88 is: 23,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,617.88 : 72,926.82 = 15,785.88 : x
  2. Step 2: Convert to fraction form
    48,617.88/72,926.82 = 15,785.88/x
  3. Step 3: Cross multiply
    48,617.88x = 72,926.82 × 15,785.88
  4. Step 4: Simplify right side
    48,617.88x = 1,151,213,585.74
  5. Step 5: Solve for x
    x = 1,151,213,585.74/48,617.88
  6. Step 6: Final answer
    x = 23,678.81

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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.