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Finding the Fourth Proportional to 7,245.44, 10,870.22 and 2,315.46

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Solution

The fourth proportional to 7,245.44, 10,870.22 and 2,315.46 is: 3,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.44 : 10,870.22 = 2,315.46 : x
  2. Step 2: Convert to fraction form
    7,245.44/10,870.22 = 2,315.46/x
  3. Step 3: Cross multiply
    7,245.44x = 10,870.22 × 2,315.46
  4. Step 4: Simplify right side
    7,245.44x = 25,169,548.02
  5. Step 5: Solve for x
    x = 25,169,548.02/7,245.44
  6. Step 6: Final answer
    x = 3,473.85

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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.