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Finding the Fourth Proportional to 6,656.71, 9,186.24 and 3,672.87

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Solution

The fourth proportional to 6,656.71, 9,186.24 and 3,672.87 is: 5,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.71 : 9,186.24 = 3,672.87 : x
  2. Step 2: Convert to fraction form
    6,656.71/9,186.24 = 3,672.87/x
  3. Step 3: Cross multiply
    6,656.71x = 9,186.24 × 3,672.87
  4. Step 4: Simplify right side
    6,656.71x = 33,739,846.94
  5. Step 5: Solve for x
    x = 33,739,846.94/6,656.71
  6. Step 6: Final answer
    x = 5,068.55

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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.