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Finding the Fourth Proportional to 57,502.21, 86,290.22 and 27,903.90

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Solution

The fourth proportional to 57,502.21, 86,290.22 and 27,903.90 is: 41,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,502.21 : 86,290.22 = 27,903.90 : x
  2. Step 2: Convert to fraction form
    57,502.21/86,290.22 = 27,903.90/x
  3. Step 3: Cross multiply
    57,502.21x = 86,290.22 × 27,903.90
  4. Step 4: Simplify right side
    57,502.21x = 2,407,833,098.89
  5. Step 5: Solve for x
    x = 2,407,833,098.89/57,502.21
  6. Step 6: Final answer
    x = 41,873.75

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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.