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Finding the Fourth Proportional to 27,190.80, 40,801.06 and 10,551.49

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Solution

The fourth proportional to 27,190.80, 40,801.06 and 10,551.49 is: 15,833.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,190.80 : 40,801.06 = 10,551.49 : x
  2. Step 2: Convert to fraction form
    27,190.80/40,801.06 = 10,551.49/x
  3. Step 3: Cross multiply
    27,190.80x = 40,801.06 × 10,551.49
  4. Step 4: Simplify right side
    27,190.80x = 430,511,976.58
  5. Step 5: Solve for x
    x = 430,511,976.58/27,190.80
  6. Step 6: Final answer
    x = 15,833.00

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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.