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Finding the Fourth Proportional to 57,587.88, 86,247.42 and 44,335.08

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Solution

The fourth proportional to 57,587.88, 86,247.42 and 44,335.08 is: 66,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,587.88 : 86,247.42 = 44,335.08 : x
  2. Step 2: Convert to fraction form
    57,587.88/86,247.42 = 44,335.08/x
  3. Step 3: Cross multiply
    57,587.88x = 86,247.42 × 44,335.08
  4. Step 4: Simplify right side
    57,587.88x = 3,823,786,265.49
  5. Step 5: Solve for x
    x = 3,823,786,265.49/57,587.88
  6. Step 6: Final answer
    x = 66,399.15

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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.