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Finding the Fourth Proportional to 22,394.88, 33,592.32 and 12,072.24

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Solution

The fourth proportional to 22,394.88, 33,592.32 and 12,072.24 is: 18,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,394.88 : 33,592.32 = 12,072.24 : x
  2. Step 2: Convert to fraction form
    22,394.88/33,592.32 = 12,072.24/x
  3. Step 3: Cross multiply
    22,394.88x = 33,592.32 × 12,072.24
  4. Step 4: Simplify right side
    22,394.88x = 405,534,549.20
  5. Step 5: Solve for x
    x = 405,534,549.20/22,394.88
  6. Step 6: Final answer
    x = 18,108.36

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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.