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Finding the Fourth Proportional to 66,701.52, 100,052.28 and 27,258.64

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Solution

The fourth proportional to 66,701.52, 100,052.28 and 27,258.64 is: 40,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,701.52 : 100,052.28 = 27,258.64 : x
  2. Step 2: Convert to fraction form
    66,701.52/100,052.28 = 27,258.64/x
  3. Step 3: Cross multiply
    66,701.52x = 100,052.28 × 27,258.64
  4. Step 4: Simplify right side
    66,701.52x = 2,727,289,081.70
  5. Step 5: Solve for x
    x = 2,727,289,081.70/66,701.52
  6. Step 6: Final answer
    x = 40,887.96

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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.