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Finding the Fourth Proportional to 80,410.79, 110,980.17 and 44,612.33

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Solution

The fourth proportional to 80,410.79, 110,980.17 and 44,612.33 is: 61,572.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,410.79 : 110,980.17 = 44,612.33 : x
  2. Step 2: Convert to fraction form
    80,410.79/110,980.17 = 44,612.33/x
  3. Step 3: Cross multiply
    80,410.79x = 110,980.17 × 44,612.33
  4. Step 4: Simplify right side
    80,410.79x = 4,951,083,412.60
  5. Step 5: Solve for x
    x = 4,951,083,412.60/80,410.79
  6. Step 6: Final answer
    x = 61,572.38

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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.