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Finding the Fourth Proportional to 5,750.66, 7,935.80 and 3,232.80

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Solution

The fourth proportional to 5,750.66, 7,935.80 and 3,232.80 is: 4,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,750.66 : 7,935.80 = 3,232.80 : x
  2. Step 2: Convert to fraction form
    5,750.66/7,935.80 = 3,232.80/x
  3. Step 3: Cross multiply
    5,750.66x = 7,935.80 × 3,232.80
  4. Step 4: Simplify right side
    5,750.66x = 25,654,854.24
  5. Step 5: Solve for x
    x = 25,654,854.24/5,750.66
  6. Step 6: Final answer
    x = 4,461.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.