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Finding the Fourth Proportional to 6,361.10, 9,532.76 and 5,419.13

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Solution

The fourth proportional to 6,361.10, 9,532.76 and 5,419.13 is: 8,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.10 : 9,532.76 = 5,419.13 : x
  2. Step 2: Convert to fraction form
    6,361.10/9,532.76 = 5,419.13/x
  3. Step 3: Cross multiply
    6,361.10x = 9,532.76 × 5,419.13
  4. Step 4: Simplify right side
    6,361.10x = 51,659,271.37
  5. Step 5: Solve for x
    x = 51,659,271.37/6,361.10
  6. Step 6: Final answer
    x = 8,121.13

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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.