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Finding the Fourth Proportional to 22,396.85, 33,600.48 and 7,605.79

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Solution

The fourth proportional to 22,396.85, 33,600.48 and 7,605.79 is: 11,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,396.85 : 33,600.48 = 7,605.79 : x
  2. Step 2: Convert to fraction form
    22,396.85/33,600.48 = 7,605.79/x
  3. Step 3: Cross multiply
    22,396.85x = 33,600.48 × 7,605.79
  4. Step 4: Simplify right side
    22,396.85x = 255,558,110.78
  5. Step 5: Solve for x
    x = 255,558,110.78/22,396.85
  6. Step 6: Final answer
    x = 11,410.45

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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.