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Finding the Fourth Proportional to 7,245.80, 10,867.64 and 2,314.79

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Solution

The fourth proportional to 7,245.80, 10,867.64 and 2,314.79 is: 3,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.80 : 10,867.64 = 2,314.79 : x
  2. Step 2: Convert to fraction form
    7,245.80/10,867.64 = 2,314.79/x
  3. Step 3: Cross multiply
    7,245.80x = 10,867.64 × 2,314.79
  4. Step 4: Simplify right side
    7,245.80x = 25,156,238.48
  5. Step 5: Solve for x
    x = 25,156,238.48/7,245.80
  6. Step 6: Final answer
    x = 3,471.84

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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.