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Finding the Fourth Proportional to 7,281.52, 10,922.30 and 2,351.60

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Solution

The fourth proportional to 7,281.52, 10,922.30 and 2,351.60 is: 3,527.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.52 : 10,922.30 = 2,351.60 : x
  2. Step 2: Convert to fraction form
    7,281.52/10,922.30 = 2,351.60/x
  3. Step 3: Cross multiply
    7,281.52x = 10,922.30 × 2,351.60
  4. Step 4: Simplify right side
    7,281.52x = 25,684,880.68
  5. Step 5: Solve for x
    x = 25,684,880.68/7,281.52
  6. Step 6: Final answer
    x = 3,527.41

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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.