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Finding the Fourth Proportional to 7,245.58, 10,869.22 and 2,313.48

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Solution

The fourth proportional to 7,245.58, 10,869.22 and 2,313.48 is: 3,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.58 : 10,869.22 = 2,313.48 : x
  2. Step 2: Convert to fraction form
    7,245.58/10,869.22 = 2,313.48/x
  3. Step 3: Cross multiply
    7,245.58x = 10,869.22 × 2,313.48
  4. Step 4: Simplify right side
    7,245.58x = 25,145,723.09
  5. Step 5: Solve for x
    x = 25,145,723.09/7,245.58
  6. Step 6: Final answer
    x = 3,470.49

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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.