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Finding the Fourth Proportional to 6,247.77, 9,371.66 and 1,865.09

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Solution

The fourth proportional to 6,247.77, 9,371.66 and 1,865.09 is: 2,797.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.77 : 9,371.66 = 1,865.09 : x
  2. Step 2: Convert to fraction form
    6,247.77/9,371.66 = 1,865.09/x
  3. Step 3: Cross multiply
    6,247.77x = 9,371.66 × 1,865.09
  4. Step 4: Simplify right side
    6,247.77x = 17,478,933.17
  5. Step 5: Solve for x
    x = 17,478,933.17/6,247.77
  6. Step 6: Final answer
    x = 2,797.63

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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.