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Finding the Fourth Proportional to 22,235.44, 33,353.16 and 8,914.48

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Solution

The fourth proportional to 22,235.44, 33,353.16 and 8,914.48 is: 13,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.44 : 33,353.16 = 8,914.48 : x
  2. Step 2: Convert to fraction form
    22,235.44/33,353.16 = 8,914.48/x
  3. Step 3: Cross multiply
    22,235.44x = 33,353.16 × 8,914.48
  4. Step 4: Simplify right side
    22,235.44x = 297,326,077.76
  5. Step 5: Solve for x
    x = 297,326,077.76/22,235.44
  6. Step 6: Final answer
    x = 13,371.72

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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.