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Finding the Fourth Proportional to 22,160, 33,259.17 and 11,637.42

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Solution

The fourth proportional to 22,160, 33,259.17 and 11,637.42 is: 17,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160 : 33,259.17 = 11,637.42 : x
  2. Step 2: Convert to fraction form
    22,160/33,259.17 = 11,637.42/x
  3. Step 3: Cross multiply
    22,160x = 33,259.17 × 11,637.42
  4. Step 4: Simplify right side
    22,160x = 387,050,930.14
  5. Step 5: Solve for x
    x = 387,050,930.14/22,160
  6. Step 6: Final answer
    x = 17,466.20

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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.