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Finding the Fourth Proportional to 7,608.60, 11,412.60 and 2,414.28

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Solution

The fourth proportional to 7,608.60, 11,412.60 and 2,414.28 is: 3,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.60 : 11,412.60 = 2,414.28 : x
  2. Step 2: Convert to fraction form
    7,608.60/11,412.60 = 2,414.28/x
  3. Step 3: Cross multiply
    7,608.60x = 11,412.60 × 2,414.28
  4. Step 4: Simplify right side
    7,608.60x = 27,553,211.93
  5. Step 5: Solve for x
    x = 27,553,211.93/7,608.60
  6. Step 6: Final answer
    x = 3,621.32

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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.