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Finding the Fourth Proportional to 61,940.40, 85,474.80 and 35,082.24

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Solution

The fourth proportional to 61,940.40, 85,474.80 and 35,082.24 is: 48,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,940.40 : 85,474.80 = 35,082.24 : x
  2. Step 2: Convert to fraction form
    61,940.40/85,474.80 = 35,082.24/x
  3. Step 3: Cross multiply
    61,940.40x = 85,474.80 × 35,082.24
  4. Step 4: Simplify right side
    61,940.40x = 2,998,647,447.55
  5. Step 5: Solve for x
    x = 2,998,647,447.55/61,940.40
  6. Step 6: Final answer
    x = 48,411.82

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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.