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Finding the Fourth Proportional to 9,082.03, 12,532.81 and 5,305.55

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Solution

The fourth proportional to 9,082.03, 12,532.81 and 5,305.55 is: 7,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,082.03 : 12,532.81 = 5,305.55 : x
  2. Step 2: Convert to fraction form
    9,082.03/12,532.81 = 5,305.55/x
  3. Step 3: Cross multiply
    9,082.03x = 12,532.81 × 5,305.55
  4. Step 4: Simplify right side
    9,082.03x = 66,493,392.24
  5. Step 5: Solve for x
    x = 66,493,392.24/9,082.03
  6. Step 6: Final answer
    x = 7,321.42

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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.