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Finding the Fourth Proportional to 66,785.95, 100,101.96 and 33,528.97

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Solution

The fourth proportional to 66,785.95, 100,101.96 and 33,528.97 is: 50,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,785.95 : 100,101.96 = 33,528.97 : x
  2. Step 2: Convert to fraction form
    66,785.95/100,101.96 = 33,528.97/x
  3. Step 3: Cross multiply
    66,785.95x = 100,101.96 × 33,528.97
  4. Step 4: Simplify right side
    66,785.95x = 3,356,315,613.78
  5. Step 5: Solve for x
    x = 3,356,315,613.78/66,785.95
  6. Step 6: Final answer
    x = 50,254.82

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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.