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Finding the Fourth Proportional to 66,675.52, 100,013.28 and 27,223.84

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Solution

The fourth proportional to 66,675.52, 100,013.28 and 27,223.84 is: 40,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,675.52 : 100,013.28 = 27,223.84 : x
  2. Step 2: Convert to fraction form
    66,675.52/100,013.28 = 27,223.84/x
  3. Step 3: Cross multiply
    66,675.52x = 100,013.28 × 27,223.84
  4. Step 4: Simplify right side
    66,675.52x = 2,722,745,532.60
  5. Step 5: Solve for x
    x = 2,722,745,532.60/66,675.52
  6. Step 6: Final answer
    x = 40,835.76

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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.