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Finding the Fourth Proportional to 6,646.59, 9,963.41 and 3,186.27

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Solution

The fourth proportional to 6,646.59, 9,963.41 and 3,186.27 is: 4,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.59 : 9,963.41 = 3,186.27 : x
  2. Step 2: Convert to fraction form
    6,646.59/9,963.41 = 3,186.27/x
  3. Step 3: Cross multiply
    6,646.59x = 9,963.41 × 3,186.27
  4. Step 4: Simplify right side
    6,646.59x = 31,746,098.45
  5. Step 5: Solve for x
    x = 31,746,098.45/6,646.59
  6. Step 6: Final answer
    x = 4,776.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.