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Finding the Fourth Proportional to 6,486.66, 8,952.48 and 3,833.64

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Solution

The fourth proportional to 6,486.66, 8,952.48 and 3,833.64 is: 5,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.66 : 8,952.48 = 3,833.64 : x
  2. Step 2: Convert to fraction form
    6,486.66/8,952.48 = 3,833.64/x
  3. Step 3: Cross multiply
    6,486.66x = 8,952.48 × 3,833.64
  4. Step 4: Simplify right side
    6,486.66x = 34,320,585.43
  5. Step 5: Solve for x
    x = 34,320,585.43/6,486.66
  6. Step 6: Final answer
    x = 5,290.95

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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.