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Finding the Fourth Proportional to 2,914.99, 3,995.17 and 2,882.18

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Solution

The fourth proportional to 2,914.99, 3,995.17 and 2,882.18 is: 3,950.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.99 : 3,995.17 = 2,882.18 : x
  2. Step 2: Convert to fraction form
    2,914.99/3,995.17 = 2,882.18/x
  3. Step 3: Cross multiply
    2,914.99x = 3,995.17 × 2,882.18
  4. Step 4: Simplify right side
    2,914.99x = 11,514,818.07
  5. Step 5: Solve for x
    x = 11,514,818.07/2,914.99
  6. Step 6: Final answer
    x = 3,950.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.