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Finding the Fourth Proportional to 71,745.78, 107,622.32 and 24,366.45

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Solution

The fourth proportional to 71,745.78, 107,622.32 and 24,366.45 is: 36,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,745.78 : 107,622.32 = 24,366.45 : x
  2. Step 2: Convert to fraction form
    71,745.78/107,622.32 = 24,366.45/x
  3. Step 3: Cross multiply
    71,745.78x = 107,622.32 × 24,366.45
  4. Step 4: Simplify right side
    71,745.78x = 2,622,374,343.66
  5. Step 5: Solve for x
    x = 2,622,374,343.66/71,745.78
  6. Step 6: Final answer
    x = 36,550.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.