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Finding the Fourth Proportional to 66,562.98, 91,860.66 and 36,351.12

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Solution

The fourth proportional to 66,562.98, 91,860.66 and 36,351.12 is: 50,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,562.98 : 91,860.66 = 36,351.12 : x
  2. Step 2: Convert to fraction form
    66,562.98/91,860.66 = 36,351.12/x
  3. Step 3: Cross multiply
    66,562.98x = 91,860.66 × 36,351.12
  4. Step 4: Simplify right side
    66,562.98x = 3,339,237,874.94
  5. Step 5: Solve for x
    x = 3,339,237,874.94/66,562.98
  6. Step 6: Final answer
    x = 50,166.59

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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.