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Finding the Fourth Proportional to 12,374.92, 17,081.27 and 8,548.53

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Solution

The fourth proportional to 12,374.92, 17,081.27 and 8,548.53 is: 11,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.92 : 17,081.27 = 8,548.53 : x
  2. Step 2: Convert to fraction form
    12,374.92/17,081.27 = 8,548.53/x
  3. Step 3: Cross multiply
    12,374.92x = 17,081.27 × 8,548.53
  4. Step 4: Simplify right side
    12,374.92x = 146,019,749.03
  5. Step 5: Solve for x
    x = 146,019,749.03/12,374.92
  6. Step 6: Final answer
    x = 11,799.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.