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Finding the Fourth Proportional to 9,082.44, 13,544.18 and 8,999.40

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Solution

The fourth proportional to 9,082.44, 13,544.18 and 8,999.40 is: 13,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,082.44 : 13,544.18 = 8,999.40 : x
  2. Step 2: Convert to fraction form
    9,082.44/13,544.18 = 8,999.40/x
  3. Step 3: Cross multiply
    9,082.44x = 13,544.18 × 8,999.40
  4. Step 4: Simplify right side
    9,082.44x = 121,889,380.77
  5. Step 5: Solve for x
    x = 121,889,380.77/9,082.44
  6. Step 6: Final answer
    x = 13,420.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.