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Finding the Fourth Proportional to 61,717.32, 85,169.76 and 33,422.92

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Solution

The fourth proportional to 61,717.32, 85,169.76 and 33,422.92 is: 46,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,717.32 : 85,169.76 = 33,422.92 : x
  2. Step 2: Convert to fraction form
    61,717.32/85,169.76 = 33,422.92/x
  3. Step 3: Cross multiply
    61,717.32x = 85,169.76 × 33,422.92
  4. Step 4: Simplify right side
    61,717.32x = 2,846,622,074.90
  5. Step 5: Solve for x
    x = 2,846,622,074.90/61,717.32
  6. Step 6: Final answer
    x = 46,123.55

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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.