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Finding the Fourth Proportional to 57,281.58, 79,049.16 and 33,080.76

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Solution

The fourth proportional to 57,281.58, 79,049.16 and 33,080.76 is: 45,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,281.58 : 79,049.16 = 33,080.76 : x
  2. Step 2: Convert to fraction form
    57,281.58/79,049.16 = 33,080.76/x
  3. Step 3: Cross multiply
    57,281.58x = 79,049.16 × 33,080.76
  4. Step 4: Simplify right side
    57,281.58x = 2,615,006,290.16
  5. Step 5: Solve for x
    x = 2,615,006,290.16/57,281.58
  6. Step 6: Final answer
    x = 45,651.78

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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.