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Finding the Fourth Proportional to 6,139.71, 9,210.78 and 2,244.42

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Solution

The fourth proportional to 6,139.71, 9,210.78 and 2,244.42 is: 3,367.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.71 : 9,210.78 = 2,244.42 : x
  2. Step 2: Convert to fraction form
    6,139.71/9,210.78 = 2,244.42/x
  3. Step 3: Cross multiply
    6,139.71x = 9,210.78 × 2,244.42
  4. Step 4: Simplify right side
    6,139.71x = 20,672,858.85
  5. Step 5: Solve for x
    x = 20,672,858.85/6,139.71
  6. Step 6: Final answer
    x = 3,367.07

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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.