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Finding the Fourth Proportional to 5,891.76, 8,838.45 and 1,995.12

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Solution

The fourth proportional to 5,891.76, 8,838.45 and 1,995.12 is: 2,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.76 : 8,838.45 = 1,995.12 : x
  2. Step 2: Convert to fraction form
    5,891.76/8,838.45 = 1,995.12/x
  3. Step 3: Cross multiply
    5,891.76x = 8,838.45 × 1,995.12
  4. Step 4: Simplify right side
    5,891.76x = 17,633,768.36
  5. Step 5: Solve for x
    x = 17,633,768.36/5,891.76
  6. Step 6: Final answer
    x = 2,992.95

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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.