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Finding the Fourth Proportional to 6,306.79, 8,703.24 and 3,950.23

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Solution

The fourth proportional to 6,306.79, 8,703.24 and 3,950.23 is: 5,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306.79 : 8,703.24 = 3,950.23 : x
  2. Step 2: Convert to fraction form
    6,306.79/8,703.24 = 3,950.23/x
  3. Step 3: Cross multiply
    6,306.79x = 8,703.24 × 3,950.23
  4. Step 4: Simplify right side
    6,306.79x = 34,379,799.75
  5. Step 5: Solve for x
    x = 34,379,799.75/6,306.79
  6. Step 6: Final answer
    x = 5,451.24

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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.