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Finding the Fourth Proportional to 22,571.59, 33,860.53 and 9,420.95

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Solution

The fourth proportional to 22,571.59, 33,860.53 and 9,420.95 is: 14,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571.59 : 33,860.53 = 9,420.95 : x
  2. Step 2: Convert to fraction form
    22,571.59/33,860.53 = 9,420.95/x
  3. Step 3: Cross multiply
    22,571.59x = 33,860.53 × 9,420.95
  4. Step 4: Simplify right side
    22,571.59x = 318,998,143.70
  5. Step 5: Solve for x
    x = 318,998,143.70/22,571.59
  6. Step 6: Final answer
    x = 14,132.73

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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.