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Finding the Fourth Proportional to 57,058.68, 85,617.18 and 25,889.88

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Solution

The fourth proportional to 57,058.68, 85,617.18 and 25,889.88 is: 38,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,058.68 : 85,617.18 = 25,889.88 : x
  2. Step 2: Convert to fraction form
    57,058.68/85,617.18 = 25,889.88/x
  3. Step 3: Cross multiply
    57,058.68x = 85,617.18 × 25,889.88
  4. Step 4: Simplify right side
    57,058.68x = 2,216,618,516.14
  5. Step 5: Solve for x
    x = 2,216,618,516.14/57,058.68
  6. Step 6: Final answer
    x = 38,848.05

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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.