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Finding the Fourth Proportional to 22,222.61, 33,333.95 and 9,074.99

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Solution

The fourth proportional to 22,222.61, 33,333.95 and 9,074.99 is: 13,612.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.61 : 33,333.95 = 9,074.99 : x
  2. Step 2: Convert to fraction form
    22,222.61/33,333.95 = 9,074.99/x
  3. Step 3: Cross multiply
    22,222.61x = 33,333.95 × 9,074.99
  4. Step 4: Simplify right side
    22,222.61x = 302,505,118.93
  5. Step 5: Solve for x
    x = 302,505,118.93/22,222.61
  6. Step 6: Final answer
    x = 13,612.49

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Similar ratio
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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.