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Finding the Fourth Proportional to 57,186.48, 85,793.08 and 17,741.54

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Solution

The fourth proportional to 57,186.48, 85,793.08 and 17,741.54 is: 26,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,186.48 : 85,793.08 = 17,741.54 : x
  2. Step 2: Convert to fraction form
    57,186.48/85,793.08 = 17,741.54/x
  3. Step 3: Cross multiply
    57,186.48x = 85,793.08 × 17,741.54
  4. Step 4: Simplify right side
    57,186.48x = 1,522,101,360.54
  5. Step 5: Solve for x
    x = 1,522,101,360.54/57,186.48
  6. Step 6: Final answer
    x = 26,616.45

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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.