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Finding the Fourth Proportional to 66,632.94, 99,924.84 and 22,247.82

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Solution

The fourth proportional to 66,632.94, 99,924.84 and 22,247.82 is: 33,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,632.94 : 99,924.84 = 22,247.82 : x
  2. Step 2: Convert to fraction form
    66,632.94/99,924.84 = 22,247.82/x
  3. Step 3: Cross multiply
    66,632.94x = 99,924.84 × 22,247.82
  4. Step 4: Simplify right side
    66,632.94x = 2,223,109,853.85
  5. Step 5: Solve for x
    x = 2,223,109,853.85/66,632.94
  6. Step 6: Final answer
    x = 33,363.53

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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.