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Finding the Fourth Proportional to 18,641.83, 27,962.73 and 6,796.49

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Solution

The fourth proportional to 18,641.83, 27,962.73 and 6,796.49 is: 10,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641.83 : 27,962.73 = 6,796.49 : x
  2. Step 2: Convert to fraction form
    18,641.83/27,962.73 = 6,796.49/x
  3. Step 3: Cross multiply
    18,641.83x = 27,962.73 × 6,796.49
  4. Step 4: Simplify right side
    18,641.83x = 190,048,275.00
  5. Step 5: Solve for x
    x = 190,048,275.00/18,641.83
  6. Step 6: Final answer
    x = 10,194.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.