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Finding the Fourth Proportional to 48,736, 67,255.68 and 26,380

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Solution

The fourth proportional to 48,736, 67,255.68 and 26,380 is: 36,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,736 : 67,255.68 = 26,380 : x
  2. Step 2: Convert to fraction form
    48,736/67,255.68 = 26,380/x
  3. Step 3: Cross multiply
    48,736x = 67,255.68 × 26,380
  4. Step 4: Simplify right side
    48,736x = 1,774,204,838.40
  5. Step 5: Solve for x
    x = 1,774,204,838.40/48,736
  6. Step 6: Final answer
    x = 36,404.40

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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.