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Finding the Fourth Proportional to 48,719.50, 67,233.09 and 26,363.50

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Solution

The fourth proportional to 48,719.50, 67,233.09 and 26,363.50 is: 36,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,719.50 : 67,233.09 = 26,363.50 : x
  2. Step 2: Convert to fraction form
    48,719.50/67,233.09 = 26,363.50/x
  3. Step 3: Cross multiply
    48,719.50x = 67,233.09 × 26,363.50
  4. Step 4: Simplify right side
    48,719.50x = 1,772,499,568.22
  5. Step 5: Solve for x
    x = 1,772,499,568.22/48,719.50
  6. Step 6: Final answer
    x = 36,381.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.