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Finding the Fourth Proportional to 48,995.68, 67,614.72 and 26,639.68

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Solution

The fourth proportional to 48,995.68, 67,614.72 and 26,639.68 is: 36,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,995.68 : 67,614.72 = 26,639.68 : x
  2. Step 2: Convert to fraction form
    48,995.68/67,614.72 = 26,639.68/x
  3. Step 3: Cross multiply
    48,995.68x = 67,614.72 × 26,639.68
  4. Step 4: Simplify right side
    48,995.68x = 1,801,234,504.09
  5. Step 5: Solve for x
    x = 1,801,234,504.09/48,995.68
  6. Step 6: Final answer
    x = 36,763.13

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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.