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Finding the Fourth Proportional to 57,250.48, 85,900.44 and 30,973.72

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Solution

The fourth proportional to 57,250.48, 85,900.44 and 30,973.72 is: 46,473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,250.48 : 85,900.44 = 30,973.72 : x
  2. Step 2: Convert to fraction form
    57,250.48/85,900.44 = 30,973.72/x
  3. Step 3: Cross multiply
    57,250.48x = 85,900.44 × 30,973.72
  4. Step 4: Simplify right side
    57,250.48x = 2,660,656,176.44
  5. Step 5: Solve for x
    x = 2,660,656,176.44/57,250.48
  6. Step 6: Final answer
    x = 46,473.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.