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Finding the Fourth Proportional to 11,775.01, 17,662.30 and 4,754.85

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Solution

The fourth proportional to 11,775.01, 17,662.30 and 4,754.85 is: 7,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.01 : 17,662.30 = 4,754.85 : x
  2. Step 2: Convert to fraction form
    11,775.01/17,662.30 = 4,754.85/x
  3. Step 3: Cross multiply
    11,775.01x = 17,662.30 × 4,754.85
  4. Step 4: Simplify right side
    11,775.01x = 83,981,587.16
  5. Step 5: Solve for x
    x = 83,981,587.16/11,775.01
  6. Step 6: Final answer
    x = 7,132.19

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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.