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Finding the Fourth Proportional to 7,634.12, 11,359.73 and 7,608.20

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Solution

The fourth proportional to 7,634.12, 11,359.73 and 7,608.20 is: 11,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.12 : 11,359.73 = 7,608.20 : x
  2. Step 2: Convert to fraction form
    7,634.12/11,359.73 = 7,608.20/x
  3. Step 3: Cross multiply
    7,634.12x = 11,359.73 × 7,608.20
  4. Step 4: Simplify right side
    7,634.12x = 86,427,097.79
  5. Step 5: Solve for x
    x = 86,427,097.79/7,634.12
  6. Step 6: Final answer
    x = 11,321.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.