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Finding the Fourth Proportional to 48,744, 67,266.72 and 26,388

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Solution

The fourth proportional to 48,744, 67,266.72 and 26,388 is: 36,415.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,744 : 67,266.72 = 26,388 : x
  2. Step 2: Convert to fraction form
    48,744/67,266.72 = 26,388/x
  3. Step 3: Cross multiply
    48,744x = 67,266.72 × 26,388
  4. Step 4: Simplify right side
    48,744x = 1,775,034,207.36
  5. Step 5: Solve for x
    x = 1,775,034,207.36/48,744
  6. Step 6: Final answer
    x = 36,415.44

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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.