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Finding the Fourth Proportional to 21,836.26, 32,726.99 and 9,341.59

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Solution

The fourth proportional to 21,836.26, 32,726.99 and 9,341.59 is: 14,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.26 : 32,726.99 = 9,341.59 : x
  2. Step 2: Convert to fraction form
    21,836.26/32,726.99 = 9,341.59/x
  3. Step 3: Cross multiply
    21,836.26x = 32,726.99 × 9,341.59
  4. Step 4: Simplify right side
    21,836.26x = 305,722,122.51
  5. Step 5: Solve for x
    x = 305,722,122.51/21,836.26
  6. Step 6: Final answer
    x = 14,000.66

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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.