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Finding the Fourth Proportional to 35,757.72, 49,346.10 and 19,843.74

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Solution

The fourth proportional to 35,757.72, 49,346.10 and 19,843.74 is: 27,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,757.72 : 49,346.10 = 19,843.74 : x
  2. Step 2: Convert to fraction form
    35,757.72/49,346.10 = 19,843.74/x
  3. Step 3: Cross multiply
    35,757.72x = 49,346.10 × 19,843.74
  4. Step 4: Simplify right side
    35,757.72x = 979,211,178.41
  5. Step 5: Solve for x
    x = 979,211,178.41/35,757.72
  6. Step 6: Final answer
    x = 27,384.61

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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.