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Finding the Fourth Proportional to 61,974.06, 85,522.34 and 33,679.80

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Solution

The fourth proportional to 61,974.06, 85,522.34 and 33,679.80 is: 46,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,974.06 : 85,522.34 = 33,679.80 : x
  2. Step 2: Convert to fraction form
    61,974.06/85,522.34 = 33,679.80/x
  3. Step 3: Cross multiply
    61,974.06x = 85,522.34 × 33,679.80
  4. Step 4: Simplify right side
    61,974.06x = 2,880,375,306.73
  5. Step 5: Solve for x
    x = 2,880,375,306.73/61,974.06
  6. Step 6: Final answer
    x = 46,477.11

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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.