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Finding the Fourth Proportional to 35,687.55, 49,249.17 and 19,772.22

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Solution

The fourth proportional to 35,687.55, 49,249.17 and 19,772.22 is: 27,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.55 : 49,249.17 = 19,772.22 : x
  2. Step 2: Convert to fraction form
    35,687.55/49,249.17 = 19,772.22/x
  3. Step 3: Cross multiply
    35,687.55x = 49,249.17 × 19,772.22
  4. Step 4: Simplify right side
    35,687.55x = 973,765,424.06
  5. Step 5: Solve for x
    x = 973,765,424.06/35,687.55
  6. Step 6: Final answer
    x = 27,285.86

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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.