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Finding the Fourth Proportional to 5,488.88, 7,574.65 and 3,004.88

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Solution

The fourth proportional to 5,488.88, 7,574.65 and 3,004.88 is: 4,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.88 : 7,574.65 = 3,004.88 : x
  2. Step 2: Convert to fraction form
    5,488.88/7,574.65 = 3,004.88/x
  3. Step 3: Cross multiply
    5,488.88x = 7,574.65 × 3,004.88
  4. Step 4: Simplify right side
    5,488.88x = 22,760,868.91
  5. Step 5: Solve for x
    x = 22,760,868.91/5,488.88
  6. Step 6: Final answer
    x = 4,146.73

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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.