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Finding the Fourth Proportional to 6,891.51, 10,335.43 and 2,995

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Solution

The fourth proportional to 6,891.51, 10,335.43 and 2,995 is: 4,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.51 : 10,335.43 = 2,995 : x
  2. Step 2: Convert to fraction form
    6,891.51/10,335.43 = 2,995/x
  3. Step 3: Cross multiply
    6,891.51x = 10,335.43 × 2,995
  4. Step 4: Simplify right side
    6,891.51x = 30,954,612.85
  5. Step 5: Solve for x
    x = 30,954,612.85/6,891.51
  6. Step 6: Final answer
    x = 4,491.70

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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.