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Finding the Fourth Proportional to 33,557.68, 50,257.68 and 19,716.40

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Solution

The fourth proportional to 33,557.68, 50,257.68 and 19,716.40 is: 29,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,557.68 : 50,257.68 = 19,716.40 : x
  2. Step 2: Convert to fraction form
    33,557.68/50,257.68 = 19,716.40/x
  3. Step 3: Cross multiply
    33,557.68x = 50,257.68 × 19,716.40
  4. Step 4: Simplify right side
    33,557.68x = 990,900,521.95
  5. Step 5: Solve for x
    x = 990,900,521.95/33,557.68
  6. Step 6: Final answer
    x = 29,528.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.