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Finding the Fourth Proportional to 6,325.77, 9,489.77 and 2,164.80

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Solution

The fourth proportional to 6,325.77, 9,489.77 and 2,164.80 is: 3,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,325.77 : 9,489.77 = 2,164.80 : x
  2. Step 2: Convert to fraction form
    6,325.77/9,489.77 = 2,164.80/x
  3. Step 3: Cross multiply
    6,325.77x = 9,489.77 × 2,164.80
  4. Step 4: Simplify right side
    6,325.77x = 20,543,454.10
  5. Step 5: Solve for x
    x = 20,543,454.10/6,325.77
  6. Step 6: Final answer
    x = 3,247.58

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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.