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Finding the Fourth Proportional to 27,943.66, 41,920.98 and 9,222.94

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Solution

The fourth proportional to 27,943.66, 41,920.98 and 9,222.94 is: 13,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943.66 : 41,920.98 = 9,222.94 : x
  2. Step 2: Convert to fraction form
    27,943.66/41,920.98 = 9,222.94/x
  3. Step 3: Cross multiply
    27,943.66x = 41,920.98 × 9,222.94
  4. Step 4: Simplify right side
    27,943.66x = 386,634,683.28
  5. Step 5: Solve for x
    x = 386,634,683.28/27,943.66
  6. Step 6: Final answer
    x = 13,836.22

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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.