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Finding the Fourth Proportional to 66,859.70, 92,267.08 and 36,644.33

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Solution

The fourth proportional to 66,859.70, 92,267.08 and 36,644.33 is: 50,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,859.70 : 92,267.08 = 36,644.33 : x
  2. Step 2: Convert to fraction form
    66,859.70/92,267.08 = 36,644.33/x
  3. Step 3: Cross multiply
    66,859.70x = 92,267.08 × 36,644.33
  4. Step 4: Simplify right side
    66,859.70x = 3,381,065,672.84
  5. Step 5: Solve for x
    x = 3,381,065,672.84/66,859.70
  6. Step 6: Final answer
    x = 50,569.56

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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.