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Finding the Fourth Proportional to 40,575.80, 55,994.88 and 22,671.56

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Solution

The fourth proportional to 40,575.80, 55,994.88 and 22,671.56 is: 31,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,575.80 : 55,994.88 = 22,671.56 : x
  2. Step 2: Convert to fraction form
    40,575.80/55,994.88 = 22,671.56/x
  3. Step 3: Cross multiply
    40,575.80x = 55,994.88 × 22,671.56
  4. Step 4: Simplify right side
    40,575.80x = 1,269,491,001.64
  5. Step 5: Solve for x
    x = 1,269,491,001.64/40,575.80
  6. Step 6: Final answer
    x = 31,286.90

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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.