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Finding the Fourth Proportional to 4,493.60, 6,738.03 and 1,531.02

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Solution

The fourth proportional to 4,493.60, 6,738.03 and 1,531.02 is: 2,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493.60 : 6,738.03 = 1,531.02 : x
  2. Step 2: Convert to fraction form
    4,493.60/6,738.03 = 1,531.02/x
  3. Step 3: Cross multiply
    4,493.60x = 6,738.03 × 1,531.02
  4. Step 4: Simplify right side
    4,493.60x = 10,316,058.69
  5. Step 5: Solve for x
    x = 10,316,058.69/4,493.60
  6. Step 6: Final answer
    x = 2,295.73

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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.