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Finding the Fourth Proportional to 61,524.62, 84,904 and 33,230.34

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Solution

The fourth proportional to 61,524.62, 84,904 and 33,230.34 is: 45,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,524.62 : 84,904 = 33,230.34 : x
  2. Step 2: Convert to fraction form
    61,524.62/84,904 = 33,230.34/x
  3. Step 3: Cross multiply
    61,524.62x = 84,904 × 33,230.34
  4. Step 4: Simplify right side
    61,524.62x = 2,821,388,787.36
  5. Step 5: Solve for x
    x = 2,821,388,787.36/61,524.62
  6. Step 6: Final answer
    x = 45,857.88

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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.