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Finding the Fourth Proportional to 6,657.44, 9,186.93 and 3,672.72

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Solution

The fourth proportional to 6,657.44, 9,186.93 and 3,672.72 is: 5,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.44 : 9,186.93 = 3,672.72 : x
  2. Step 2: Convert to fraction form
    6,657.44/9,186.93 = 3,672.72/x
  3. Step 3: Cross multiply
    6,657.44x = 9,186.93 × 3,672.72
  4. Step 4: Simplify right side
    6,657.44x = 33,741,021.55
  5. Step 5: Solve for x
    x = 33,741,021.55/6,657.44
  6. Step 6: Final answer
    x = 5,068.17

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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.