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Finding the Fourth Proportional to 66,906.59, 100,366.85 and 22,538.27

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Solution

The fourth proportional to 66,906.59, 100,366.85 and 22,538.27 is: 33,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,906.59 : 100,366.85 = 22,538.27 : x
  2. Step 2: Convert to fraction form
    66,906.59/100,366.85 = 22,538.27/x
  3. Step 3: Cross multiply
    66,906.59x = 100,366.85 × 22,538.27
  4. Step 4: Simplify right side
    66,906.59x = 2,262,094,549.82
  5. Step 5: Solve for x
    x = 2,262,094,549.82/66,906.59
  6. Step 6: Final answer
    x = 33,809.74

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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.