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Finding the Fourth Proportional to 80,400.96, 110,951.36 and 44,590.72

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Solution

The fourth proportional to 80,400.96, 110,951.36 and 44,590.72 is: 61,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,400.96 : 110,951.36 = 44,590.72 : x
  2. Step 2: Convert to fraction form
    80,400.96/110,951.36 = 44,590.72/x
  3. Step 3: Cross multiply
    80,400.96x = 110,951.36 × 44,590.72
  4. Step 4: Simplify right side
    80,400.96x = 4,947,401,027.38
  5. Step 5: Solve for x
    x = 4,947,401,027.38/80,400.96
  6. Step 6: Final answer
    x = 61,534.10

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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.