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Finding the Fourth Proportional to 48,799, 67,342.70 and 26,443

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Solution

The fourth proportional to 48,799, 67,342.70 and 26,443 is: 36,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,799 : 67,342.70 = 26,443 : x
  2. Step 2: Convert to fraction form
    48,799/67,342.70 = 26,443/x
  3. Step 3: Cross multiply
    48,799x = 67,342.70 × 26,443
  4. Step 4: Simplify right side
    48,799x = 1,780,743,016.10
  5. Step 5: Solve for x
    x = 1,780,743,016.10/48,799
  6. Step 6: Final answer
    x = 36,491.38

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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.