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Finding the Fourth Proportional to 6,381.24, 8,811.42 and 4,704.60

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Solution

The fourth proportional to 6,381.24, 8,811.42 and 4,704.60 is: 6,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.24 : 8,811.42 = 4,704.60 : x
  2. Step 2: Convert to fraction form
    6,381.24/8,811.42 = 4,704.60/x
  3. Step 3: Cross multiply
    6,381.24x = 8,811.42 × 4,704.60
  4. Step 4: Simplify right side
    6,381.24x = 41,454,206.53
  5. Step 5: Solve for x
    x = 41,454,206.53/6,381.24
  6. Step 6: Final answer
    x = 6,496.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.