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Finding the Fourth Proportional to 22,245.44, 33,368.42 and 7,454.40

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Solution

The fourth proportional to 22,245.44, 33,368.42 and 7,454.40 is: 11,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.44 : 33,368.42 = 7,454.40 : x
  2. Step 2: Convert to fraction form
    22,245.44/33,368.42 = 7,454.40/x
  3. Step 3: Cross multiply
    22,245.44x = 33,368.42 × 7,454.40
  4. Step 4: Simplify right side
    22,245.44x = 248,741,443.55
  5. Step 5: Solve for x
    x = 248,741,443.55/22,245.44
  6. Step 6: Final answer
    x = 11,181.68

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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.