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Finding the Fourth Proportional to 8,497.48, 12,747.74 and 2,950.60

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Solution

The fourth proportional to 8,497.48, 12,747.74 and 2,950.60 is: 4,426.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.48 : 12,747.74 = 2,950.60 : x
  2. Step 2: Convert to fraction form
    8,497.48/12,747.74 = 2,950.60/x
  3. Step 3: Cross multiply
    8,497.48x = 12,747.74 × 2,950.60
  4. Step 4: Simplify right side
    8,497.48x = 37,613,481.64
  5. Step 5: Solve for x
    x = 37,613,481.64/8,497.48
  6. Step 6: Final answer
    x = 4,426.43

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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.