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Finding the Fourth Proportional to 35,377.60, 48,843.50 and 21,963.09

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Solution

The fourth proportional to 35,377.60, 48,843.50 and 21,963.09 is: 30,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,377.60 : 48,843.50 = 21,963.09 : x
  2. Step 2: Convert to fraction form
    35,377.60/48,843.50 = 21,963.09/x
  3. Step 3: Cross multiply
    35,377.60x = 48,843.50 × 21,963.09
  4. Step 4: Simplify right side
    35,377.60x = 1,072,754,036.85
  5. Step 5: Solve for x
    x = 1,072,754,036.85/35,377.60
  6. Step 6: Final answer
    x = 30,322.97

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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.