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Finding the Fourth Proportional to 57,747.06, 86,719.41 and 35,691.30

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Solution

The fourth proportional to 57,747.06, 86,719.41 and 35,691.30 is: 53,598.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,747.06 : 86,719.41 = 35,691.30 : x
  2. Step 2: Convert to fraction form
    57,747.06/86,719.41 = 35,691.30/x
  3. Step 3: Cross multiply
    57,747.06x = 86,719.41 × 35,691.30
  4. Step 4: Simplify right side
    57,747.06x = 3,095,128,478.13
  5. Step 5: Solve for x
    x = 3,095,128,478.13/57,747.06
  6. Step 6: Final answer
    x = 53,598.03

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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.