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Finding the Fourth Proportional to 32,839.75, 49,259.76 and 8,215.75

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Solution

The fourth proportional to 32,839.75, 49,259.76 and 8,215.75 is: 12,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,839.75 : 49,259.76 = 8,215.75 : x
  2. Step 2: Convert to fraction form
    32,839.75/49,259.76 = 8,215.75/x
  3. Step 3: Cross multiply
    32,839.75x = 49,259.76 × 8,215.75
  4. Step 4: Simplify right side
    32,839.75x = 404,705,873.22
  5. Step 5: Solve for x
    x = 404,705,873.22/32,839.75
  6. Step 6: Final answer
    x = 12,323.66

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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.