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Finding the Fourth Proportional to 6,874.99, 10,315.79 and 3,754.91

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Solution

The fourth proportional to 6,874.99, 10,315.79 and 3,754.91 is: 5,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.99 : 10,315.79 = 3,754.91 : x
  2. Step 2: Convert to fraction form
    6,874.99/10,315.79 = 3,754.91/x
  3. Step 3: Cross multiply
    6,874.99x = 10,315.79 × 3,754.91
  4. Step 4: Simplify right side
    6,874.99x = 38,734,851.40
  5. Step 5: Solve for x
    x = 38,734,851.40/6,874.99
  6. Step 6: Final answer
    x = 5,634.17

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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.