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Finding the Fourth Proportional to 5,531.53, 7,630.03 and 3,291.74

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Solution

The fourth proportional to 5,531.53, 7,630.03 and 3,291.74 is: 4,540.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.53 : 7,630.03 = 3,291.74 : x
  2. Step 2: Convert to fraction form
    5,531.53/7,630.03 = 3,291.74/x
  3. Step 3: Cross multiply
    5,531.53x = 7,630.03 × 3,291.74
  4. Step 4: Simplify right side
    5,531.53x = 25,116,045.97
  5. Step 5: Solve for x
    x = 25,116,045.97/5,531.53
  6. Step 6: Final answer
    x = 4,540.52

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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.