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Finding the Fourth Proportional to 7,534.80, 11,301.80 and 3,627.36

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Solution

The fourth proportional to 7,534.80, 11,301.80 and 3,627.36 is: 5,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,534.80 : 11,301.80 = 3,627.36 : x
  2. Step 2: Convert to fraction form
    7,534.80/11,301.80 = 3,627.36/x
  3. Step 3: Cross multiply
    7,534.80x = 11,301.80 × 3,627.36
  4. Step 4: Simplify right side
    7,534.80x = 40,995,679.11
  5. Step 5: Solve for x
    x = 40,995,679.11/7,534.80
  6. Step 6: Final answer
    x = 5,440.85

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1.5x scale

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.