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Finding the Fourth Proportional to 7,522.48, 10,380.96 and 4,540

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Solution

The fourth proportional to 7,522.48, 10,380.96 and 4,540 is: 6,265.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.48 : 10,380.96 = 4,540 : x
  2. Step 2: Convert to fraction form
    7,522.48/10,380.96 = 4,540/x
  3. Step 3: Cross multiply
    7,522.48x = 10,380.96 × 4,540
  4. Step 4: Simplify right side
    7,522.48x = 47,129,558.40
  5. Step 5: Solve for x
    x = 47,129,558.40/7,522.48
  6. Step 6: Final answer
    x = 6,265.16

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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.