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Finding the Fourth Proportional to 12,473.94, 18,710.91 and 5,891.07

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Solution

The fourth proportional to 12,473.94, 18,710.91 and 5,891.07 is: 8,836.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.94 : 18,710.91 = 5,891.07 : x
  2. Step 2: Convert to fraction form
    12,473.94/18,710.91 = 5,891.07/x
  3. Step 3: Cross multiply
    12,473.94x = 18,710.91 × 5,891.07
  4. Step 4: Simplify right side
    12,473.94x = 110,227,280.57
  5. Step 5: Solve for x
    x = 110,227,280.57/12,473.94
  6. Step 6: Final answer
    x = 8,836.61

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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.