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Finding the Fourth Proportional to 61,787.49, 85,266.84 and 33,493.24

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Solution

The fourth proportional to 61,787.49, 85,266.84 and 33,493.24 is: 46,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,787.49 : 85,266.84 = 33,493.24 : x
  2. Step 2: Convert to fraction form
    61,787.49/85,266.84 = 33,493.24/x
  3. Step 3: Cross multiply
    61,787.49x = 85,266.84 × 33,493.24
  4. Step 4: Simplify right side
    61,787.49x = 2,855,862,736.16
  5. Step 5: Solve for x
    x = 2,855,862,736.16/61,787.49
  6. Step 6: Final answer
    x = 46,220.73

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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.