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Finding the Fourth Proportional to 57,749.04, 79,691.44 and 36,250.40

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Solution

The fourth proportional to 57,749.04, 79,691.44 and 36,250.40 is: 50,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,749.04 : 79,691.44 = 36,250.40 : x
  2. Step 2: Convert to fraction form
    57,749.04/79,691.44 = 36,250.40/x
  3. Step 3: Cross multiply
    57,749.04x = 79,691.44 × 36,250.40
  4. Step 4: Simplify right side
    57,749.04x = 2,888,846,576.58
  5. Step 5: Solve for x
    x = 2,888,846,576.58/57,749.04
  6. Step 6: Final answer
    x = 50,024.15

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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.