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Finding the Fourth Proportional to 49,974, 68,883.92 and 33,836.16

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Solution

The fourth proportional to 49,974, 68,883.92 and 33,836.16 is: 46,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,974 : 68,883.92 = 33,836.16 : x
  2. Step 2: Convert to fraction form
    49,974/68,883.92 = 33,836.16/x
  3. Step 3: Cross multiply
    49,974x = 68,883.92 × 33,836.16
  4. Step 4: Simplify right side
    49,974x = 2,330,767,338.55
  5. Step 5: Solve for x
    x = 2,330,767,338.55/49,974
  6. Step 6: Final answer
    x = 46,639.60

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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.