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Finding the Fourth Proportional to 60,771.66, 83,869.11 and 33,919.40

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Solution

The fourth proportional to 60,771.66, 83,869.11 and 33,919.40 is: 46,811.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,771.66 : 83,869.11 = 33,919.40 : x
  2. Step 2: Convert to fraction form
    60,771.66/83,869.11 = 33,919.40/x
  3. Step 3: Cross multiply
    60,771.66x = 83,869.11 × 33,919.40
  4. Step 4: Simplify right side
    60,771.66x = 2,844,789,720.14
  5. Step 5: Solve for x
    x = 2,844,789,720.14/60,771.66
  6. Step 6: Final answer
    x = 46,811.12

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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.