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Finding the Fourth Proportional to 61,157.52, 91,658.52 and 27,895.68

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Solution

The fourth proportional to 61,157.52, 91,658.52 and 27,895.68 is: 41,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,157.52 : 91,658.52 = 27,895.68 : x
  2. Step 2: Convert to fraction form
    61,157.52/91,658.52 = 27,895.68/x
  3. Step 3: Cross multiply
    61,157.52x = 91,658.52 × 27,895.68
  4. Step 4: Simplify right side
    61,157.52x = 2,556,876,743.19
  5. Step 5: Solve for x
    x = 2,556,876,743.19/61,157.52
  6. Step 6: Final answer
    x = 41,808.05

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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.