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Finding the Fourth Proportional to 22,230.95, 33,355.78 and 9,744.53

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Solution

The fourth proportional to 22,230.95, 33,355.78 and 9,744.53 is: 14,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,230.95 : 33,355.78 = 9,744.53 : x
  2. Step 2: Convert to fraction form
    22,230.95/33,355.78 = 9,744.53/x
  3. Step 3: Cross multiply
    22,230.95x = 33,355.78 × 9,744.53
  4. Step 4: Simplify right side
    22,230.95x = 325,036,207.74
  5. Step 5: Solve for x
    x = 325,036,207.74/22,230.95
  6. Step 6: Final answer
    x = 14,620.89

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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.