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Finding the Fourth Proportional to 6,086.68, 8,391 and 4,317.64

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Solution

The fourth proportional to 6,086.68, 8,391 and 4,317.64 is: 5,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.68 : 8,391 = 4,317.64 : x
  2. Step 2: Convert to fraction form
    6,086.68/8,391 = 4,317.64/x
  3. Step 3: Cross multiply
    6,086.68x = 8,391 × 4,317.64
  4. Step 4: Simplify right side
    6,086.68x = 36,229,317.24
  5. Step 5: Solve for x
    x = 36,229,317.24/6,086.68
  6. Step 6: Final answer
    x = 5,952.23

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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.