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Finding the Fourth Proportional to 22,294.92, 33,445.60 and 11,901

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Solution

The fourth proportional to 22,294.92, 33,445.60 and 11,901 is: 17,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,294.92 : 33,445.60 = 11,901 : x
  2. Step 2: Convert to fraction form
    22,294.92/33,445.60 = 11,901/x
  3. Step 3: Cross multiply
    22,294.92x = 33,445.60 × 11,901
  4. Step 4: Simplify right side
    22,294.92x = 398,036,085.60
  5. Step 5: Solve for x
    x = 398,036,085.60/22,294.92
  6. Step 6: Final answer
    x = 17,853.22

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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.