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Finding the Fourth Proportional to 5,480.52, 7,563.10 and 3,124

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Solution

The fourth proportional to 5,480.52, 7,563.10 and 3,124 is: 4,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.52 : 7,563.10 = 3,124 : x
  2. Step 2: Convert to fraction form
    5,480.52/7,563.10 = 3,124/x
  3. Step 3: Cross multiply
    5,480.52x = 7,563.10 × 3,124
  4. Step 4: Simplify right side
    5,480.52x = 23,627,124.40
  5. Step 5: Solve for x
    x = 23,627,124.40/5,480.52
  6. Step 6: Final answer
    x = 4,311.11

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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.