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Finding the Fourth Proportional to 61,114.85, 84,338.66 and 33,892.85

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Solution

The fourth proportional to 61,114.85, 84,338.66 and 33,892.85 is: 46,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,114.85 : 84,338.66 = 33,892.85 : x
  2. Step 2: Convert to fraction form
    61,114.85/84,338.66 = 33,892.85/x
  3. Step 3: Cross multiply
    61,114.85x = 84,338.66 × 33,892.85
  4. Step 4: Simplify right side
    61,114.85x = 2,858,476,961.42
  5. Step 5: Solve for x
    x = 2,858,476,961.42/61,114.85
  6. Step 6: Final answer
    x = 46,772.22

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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.