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Finding the Fourth Proportional to 7,245.94, 10,870.97 and 2,315.96

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Solution

The fourth proportional to 7,245.94, 10,870.97 and 2,315.96 is: 3,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.94 : 10,870.97 = 2,315.96 : x
  2. Step 2: Convert to fraction form
    7,245.94/10,870.97 = 2,315.96/x
  3. Step 3: Cross multiply
    7,245.94x = 10,870.97 × 2,315.96
  4. Step 4: Simplify right side
    7,245.94x = 25,176,731.68
  5. Step 5: Solve for x
    x = 25,176,731.68/7,245.94
  6. Step 6: Final answer
    x = 3,474.60

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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.