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Finding the Fourth Proportional to 66,927.42, 100,337.97 and 33,169.76

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Solution

The fourth proportional to 66,927.42, 100,337.97 and 33,169.76 is: 49,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,927.42 : 100,337.97 = 33,169.76 : x
  2. Step 2: Convert to fraction form
    66,927.42/100,337.97 = 33,169.76/x
  3. Step 3: Cross multiply
    66,927.42x = 100,337.97 × 33,169.76
  4. Step 4: Simplify right side
    66,927.42x = 3,328,186,382.75
  5. Step 5: Solve for x
    x = 3,328,186,382.75/66,927.42
  6. Step 6: Final answer
    x = 49,728.29

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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.