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Finding the Fourth Proportional to 5,573.66, 7,691.61 and 3,055.87

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Solution

The fourth proportional to 5,573.66, 7,691.61 and 3,055.87 is: 4,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.66 : 7,691.61 = 3,055.87 : x
  2. Step 2: Convert to fraction form
    5,573.66/7,691.61 = 3,055.87/x
  3. Step 3: Cross multiply
    5,573.66x = 7,691.61 × 3,055.87
  4. Step 4: Simplify right side
    5,573.66x = 23,504,541.02
  5. Step 5: Solve for x
    x = 23,504,541.02/5,573.66
  6. Step 6: Final answer
    x = 4,217.08

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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.