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Finding the Fourth Proportional to 66,854.88, 100,227.60 and 33,534.72

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Solution

The fourth proportional to 66,854.88, 100,227.60 and 33,534.72 is: 50,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,854.88 : 100,227.60 = 33,534.72 : x
  2. Step 2: Convert to fraction form
    66,854.88/100,227.60 = 33,534.72/x
  3. Step 3: Cross multiply
    66,854.88x = 100,227.60 × 33,534.72
  4. Step 4: Simplify right side
    66,854.88x = 3,361,104,502.27
  5. Step 5: Solve for x
    x = 3,361,104,502.27/66,854.88
  6. Step 6: Final answer
    x = 50,274.63

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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.