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Finding the Fourth Proportional to 18,082.40, 27,080.40 and 14,626.40

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Solution

The fourth proportional to 18,082.40, 27,080.40 and 14,626.40 is: 21,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.40 : 27,080.40 = 14,626.40 : x
  2. Step 2: Convert to fraction form
    18,082.40/27,080.40 = 14,626.40/x
  3. Step 3: Cross multiply
    18,082.40x = 27,080.40 × 14,626.40
  4. Step 4: Simplify right side
    18,082.40x = 396,088,762.56
  5. Step 5: Solve for x
    x = 396,088,762.56/18,082.40
  6. Step 6: Final answer
    x = 21,904.66

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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.