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Finding the Fourth Proportional to 61,966.80, 85,512.33 and 33,672.51

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Solution

The fourth proportional to 61,966.80, 85,512.33 and 33,672.51 is: 46,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,966.80 : 85,512.33 = 33,672.51 : x
  2. Step 2: Convert to fraction form
    61,966.80/85,512.33 = 33,672.51/x
  3. Step 3: Cross multiply
    61,966.80x = 85,512.33 × 33,672.51
  4. Step 4: Simplify right side
    61,966.80x = 2,879,414,787.05
  5. Step 5: Solve for x
    x = 2,879,414,787.05/61,966.80
  6. Step 6: Final answer
    x = 46,467.06

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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.