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Finding the Fourth Proportional to 60,445.32, 83,414.90 and 33,221.11

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Solution

The fourth proportional to 60,445.32, 83,414.90 and 33,221.11 is: 45,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,445.32 : 83,414.90 = 33,221.11 : x
  2. Step 2: Convert to fraction form
    60,445.32/83,414.90 = 33,221.11/x
  3. Step 3: Cross multiply
    60,445.32x = 83,414.90 × 33,221.11
  4. Step 4: Simplify right side
    60,445.32x = 2,771,135,568.54
  5. Step 5: Solve for x
    x = 2,771,135,568.54/60,445.32
  6. Step 6: Final answer
    x = 45,845.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.