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Finding the Fourth Proportional to 6,913.32, 9,536.72 and 4,524.64

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Solution

The fourth proportional to 6,913.32, 9,536.72 and 4,524.64 is: 6,241.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.32 : 9,536.72 = 4,524.64 : x
  2. Step 2: Convert to fraction form
    6,913.32/9,536.72 = 4,524.64/x
  3. Step 3: Cross multiply
    6,913.32x = 9,536.72 × 4,524.64
  4. Step 4: Simplify right side
    6,913.32x = 43,150,224.78
  5. Step 5: Solve for x
    x = 43,150,224.78/6,913.32
  6. Step 6: Final answer
    x = 6,241.61

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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.