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Finding the Fourth Proportional to 8,349.58, 12,523.92 and 2,109.52

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Solution

The fourth proportional to 8,349.58, 12,523.92 and 2,109.52 is: 3,164.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.58 : 12,523.92 = 2,109.52 : x
  2. Step 2: Convert to fraction form
    8,349.58/12,523.92 = 2,109.52/x
  3. Step 3: Cross multiply
    8,349.58x = 12,523.92 × 2,109.52
  4. Step 4: Simplify right side
    8,349.58x = 26,419,459.72
  5. Step 5: Solve for x
    x = 26,419,459.72/8,349.58
  6. Step 6: Final answer
    x = 3,164.17

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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.