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Finding the Fourth Proportional to 66,277.68, 91,463.67 and 36,063.27

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Solution

The fourth proportional to 66,277.68, 91,463.67 and 36,063.27 is: 49,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,277.68 : 91,463.67 = 36,063.27 : x
  2. Step 2: Convert to fraction form
    66,277.68/91,463.67 = 36,063.27/x
  3. Step 3: Cross multiply
    66,277.68x = 91,463.67 × 36,063.27
  4. Step 4: Simplify right side
    66,277.68x = 3,298,479,026.40
  5. Step 5: Solve for x
    x = 3,298,479,026.40/66,277.68
  6. Step 6: Final answer
    x = 49,767.57

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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.