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Finding the Fourth Proportional to 6,704.79, 9,252.49 and 3,720.57

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Solution

The fourth proportional to 6,704.79, 9,252.49 and 3,720.57 is: 5,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,704.79 : 9,252.49 = 3,720.57 : x
  2. Step 2: Convert to fraction form
    6,704.79/9,252.49 = 3,720.57/x
  3. Step 3: Cross multiply
    6,704.79x = 9,252.49 × 3,720.57
  4. Step 4: Simplify right side
    6,704.79x = 34,424,527.42
  5. Step 5: Solve for x
    x = 34,424,527.42/6,704.79
  6. Step 6: Final answer
    x = 5,134.32

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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.