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Finding the Fourth Proportional to 7,073.11, 9,754.18 and 5,391.55

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Solution

The fourth proportional to 7,073.11, 9,754.18 and 5,391.55 is: 7,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.11 : 9,754.18 = 5,391.55 : x
  2. Step 2: Convert to fraction form
    7,073.11/9,754.18 = 5,391.55/x
  3. Step 3: Cross multiply
    7,073.11x = 9,754.18 × 5,391.55
  4. Step 4: Simplify right side
    7,073.11x = 52,590,149.18
  5. Step 5: Solve for x
    x = 52,590,149.18/7,073.11
  6. Step 6: Final answer
    x = 7,435.22

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1.5x scale

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.