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Finding the Fourth Proportional to 2,902.56, 4,352.32 and 953.60

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Solution

The fourth proportional to 2,902.56, 4,352.32 and 953.60 is: 1,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.56 : 4,352.32 = 953.60 : x
  2. Step 2: Convert to fraction form
    2,902.56/4,352.32 = 953.60/x
  3. Step 3: Cross multiply
    2,902.56x = 4,352.32 × 953.60
  4. Step 4: Simplify right side
    2,902.56x = 4,150,372.35
  5. Step 5: Solve for x
    x = 4,150,372.35/2,902.56
  6. Step 6: Final answer
    x = 1,429.90

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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.