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Finding the Fourth Proportional to 66,575.82, 91,874.14 and 36,361.14

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Solution

The fourth proportional to 66,575.82, 91,874.14 and 36,361.14 is: 50,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,575.82 : 91,874.14 = 36,361.14 : x
  2. Step 2: Convert to fraction form
    66,575.82/91,874.14 = 36,361.14/x
  3. Step 3: Cross multiply
    66,575.82x = 91,874.14 × 36,361.14
  4. Step 4: Simplify right side
    66,575.82x = 3,340,648,466.92
  5. Step 5: Solve for x
    x = 3,340,648,466.92/66,575.82
  6. Step 6: Final answer
    x = 50,178.10

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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.