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Finding the Fourth Proportional to 6,367.90, 9,551.64 and 2,619.56

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Solution

The fourth proportional to 6,367.90, 9,551.64 and 2,619.56 is: 3,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.90 : 9,551.64 = 2,619.56 : x
  2. Step 2: Convert to fraction form
    6,367.90/9,551.64 = 2,619.56/x
  3. Step 3: Cross multiply
    6,367.90x = 9,551.64 × 2,619.56
  4. Step 4: Simplify right side
    6,367.90x = 25,021,094.08
  5. Step 5: Solve for x
    x = 25,021,094.08/6,367.90
  6. Step 6: Final answer
    x = 3,929.25

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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.