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Finding the Fourth Proportional to 65,214.30, 89,996.22 and 36,919.38

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Solution

The fourth proportional to 65,214.30, 89,996.22 and 36,919.38 is: 50,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,214.30 : 89,996.22 = 36,919.38 : x
  2. Step 2: Convert to fraction form
    65,214.30/89,996.22 = 36,919.38/x
  3. Step 3: Cross multiply
    65,214.30x = 89,996.22 × 36,919.38
  4. Step 4: Simplify right side
    65,214.30x = 3,322,604,644.74
  5. Step 5: Solve for x
    x = 3,322,604,644.74/65,214.30
  6. Step 6: Final answer
    x = 50,949.02

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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.