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Finding the Fourth Proportional to 11,891.04, 17,836.76 and 4,498.98

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Solution

The fourth proportional to 11,891.04, 17,836.76 and 4,498.98 is: 6,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891.04 : 17,836.76 = 4,498.98 : x
  2. Step 2: Convert to fraction form
    11,891.04/17,836.76 = 4,498.98/x
  3. Step 3: Cross multiply
    11,891.04x = 17,836.76 × 4,498.98
  4. Step 4: Simplify right side
    11,891.04x = 80,247,226.50
  5. Step 5: Solve for x
    x = 80,247,226.50/11,891.04
  6. Step 6: Final answer
    x = 6,748.55

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Similar ratio
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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.