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Finding the Fourth Proportional to 7,302.60, 10,954.80 and 2,621.88

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Solution

The fourth proportional to 7,302.60, 10,954.80 and 2,621.88 is: 3,933.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.60 : 10,954.80 = 2,621.88 : x
  2. Step 2: Convert to fraction form
    7,302.60/10,954.80 = 2,621.88/x
  3. Step 3: Cross multiply
    7,302.60x = 10,954.80 × 2,621.88
  4. Step 4: Simplify right side
    7,302.60x = 28,722,171.02
  5. Step 5: Solve for x
    x = 28,722,171.02/7,302.60
  6. Step 6: Final answer
    x = 3,933.14

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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.