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Finding the Fourth Proportional to 8,247.65, 12,373.20 and 2,700.56

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Solution

The fourth proportional to 8,247.65, 12,373.20 and 2,700.56 is: 4,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.65 : 12,373.20 = 2,700.56 : x
  2. Step 2: Convert to fraction form
    8,247.65/12,373.20 = 2,700.56/x
  3. Step 3: Cross multiply
    8,247.65x = 12,373.20 × 2,700.56
  4. Step 4: Simplify right side
    8,247.65x = 33,414,568.99
  5. Step 5: Solve for x
    x = 33,414,568.99/8,247.65
  6. Step 6: Final answer
    x = 4,051.40

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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.