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Finding the Fourth Proportional to 50,503.74, 75,745.88 and 17,220.84

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Solution

The fourth proportional to 50,503.74, 75,745.88 and 17,220.84 is: 25,827.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,503.74 : 75,745.88 = 17,220.84 : x
  2. Step 2: Convert to fraction form
    50,503.74/75,745.88 = 17,220.84/x
  3. Step 3: Cross multiply
    50,503.74x = 75,745.88 × 17,220.84
  4. Step 4: Simplify right side
    50,503.74x = 1,304,407,680.14
  5. Step 5: Solve for x
    x = 1,304,407,680.14/50,503.74
  6. Step 6: Final answer
    x = 25,827.94

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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.