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Finding the Fourth Proportional to 48,978.36, 67,589.82 and 26,622.36

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Solution

The fourth proportional to 48,978.36, 67,589.82 and 26,622.36 is: 36,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,978.36 : 67,589.82 = 26,622.36 : x
  2. Step 2: Convert to fraction form
    48,978.36/67,589.82 = 26,622.36/x
  3. Step 3: Cross multiply
    48,978.36x = 67,589.82 × 26,622.36
  4. Step 4: Simplify right side
    48,978.36x = 1,799,400,520.38
  5. Step 5: Solve for x
    x = 1,799,400,520.38/48,978.36
  6. Step 6: Final answer
    x = 36,738.68

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1.5x scale

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.