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Finding the Fourth Proportional to 80,401.77, 110,947.17 and 44,591.67

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Solution

The fourth proportional to 80,401.77, 110,947.17 and 44,591.67 is: 61,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,401.77 : 110,947.17 = 44,591.67 : x
  2. Step 2: Convert to fraction form
    80,401.77/110,947.17 = 44,591.67/x
  3. Step 3: Cross multiply
    80,401.77x = 110,947.17 × 44,591.67
  4. Step 4: Simplify right side
    80,401.77x = 4,947,319,592.07
  5. Step 5: Solve for x
    x = 4,947,319,592.07/80,401.77
  6. Step 6: Final answer
    x = 61,532.47

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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.