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Finding the Fourth Proportional to 6,367.20, 9,551.10 and 1,984.68

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Solution

The fourth proportional to 6,367.20, 9,551.10 and 1,984.68 is: 2,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.20 : 9,551.10 = 1,984.68 : x
  2. Step 2: Convert to fraction form
    6,367.20/9,551.10 = 1,984.68/x
  3. Step 3: Cross multiply
    6,367.20x = 9,551.10 × 1,984.68
  4. Step 4: Simplify right side
    6,367.20x = 18,955,877.15
  5. Step 5: Solve for x
    x = 18,955,877.15/6,367.20
  6. Step 6: Final answer
    x = 2,977.11

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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.