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Finding the Fourth Proportional to 22,351.66, 30,849.04 and 12,791.94

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Solution

The fourth proportional to 22,351.66, 30,849.04 and 12,791.94 is: 17,655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,351.66 : 30,849.04 = 12,791.94 : x
  2. Step 2: Convert to fraction form
    22,351.66/30,849.04 = 12,791.94/x
  3. Step 3: Cross multiply
    22,351.66x = 30,849.04 × 12,791.94
  4. Step 4: Simplify right side
    22,351.66x = 394,619,068.74
  5. Step 5: Solve for x
    x = 394,619,068.74/22,351.66
  6. Step 6: Final answer
    x = 17,655.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.