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Finding the Fourth Proportional to 22,239.82, 33,369 and 9,753.40

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Solution

The fourth proportional to 22,239.82, 33,369 and 9,753.40 is: 14,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.82 : 33,369 = 9,753.40 : x
  2. Step 2: Convert to fraction form
    22,239.82/33,369 = 9,753.40/x
  3. Step 3: Cross multiply
    22,239.82x = 33,369 × 9,753.40
  4. Step 4: Simplify right side
    22,239.82x = 325,461,204.60
  5. Step 5: Solve for x
    x = 325,461,204.60/22,239.82
  6. Step 6: Final answer
    x = 14,634.17

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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.