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Finding the Fourth Proportional to 18,591.41, 27,883.01 and 5,444.80

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Solution

The fourth proportional to 18,591.41, 27,883.01 and 5,444.80 is: 8,166.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.41 : 27,883.01 = 5,444.80 : x
  2. Step 2: Convert to fraction form
    18,591.41/27,883.01 = 5,444.80/x
  3. Step 3: Cross multiply
    18,591.41x = 27,883.01 × 5,444.80
  4. Step 4: Simplify right side
    18,591.41x = 151,817,385.62
  5. Step 5: Solve for x
    x = 151,817,385.62/18,591.41
  6. Step 6: Final answer
    x = 8,166.00

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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.