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Finding the Fourth Proportional to 22,394.88, 30,896.64 and 22,360.32

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Solution

The fourth proportional to 22,394.88, 30,896.64 and 22,360.32 is: 30,848.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,394.88 : 30,896.64 = 22,360.32 : x
  2. Step 2: Convert to fraction form
    22,394.88/30,896.64 = 22,360.32/x
  3. Step 3: Cross multiply
    22,394.88x = 30,896.64 × 22,360.32
  4. Step 4: Simplify right side
    22,394.88x = 690,858,757.32
  5. Step 5: Solve for x
    x = 690,858,757.32/22,394.88
  6. Step 6: Final answer
    x = 30,848.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.