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Finding the Fourth Proportional to 22,618.62, 33,944.34 and 12,777.12

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Solution

The fourth proportional to 22,618.62, 33,944.34 and 12,777.12 is: 19,174.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.62 : 33,944.34 = 12,777.12 : x
  2. Step 2: Convert to fraction form
    22,618.62/33,944.34 = 12,777.12/x
  3. Step 3: Cross multiply
    22,618.62x = 33,944.34 × 12,777.12
  4. Step 4: Simplify right side
    22,618.62x = 433,710,905.50
  5. Step 5: Solve for x
    x = 433,710,905.50/22,618.62
  6. Step 6: Final answer
    x = 19,174.95

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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.