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Finding the Fourth Proportional to 7,662.76, 11,493.74 and 2,397.72

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Solution

The fourth proportional to 7,662.76, 11,493.74 and 2,397.72 is: 3,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.76 : 11,493.74 = 2,397.72 : x
  2. Step 2: Convert to fraction form
    7,662.76/11,493.74 = 2,397.72/x
  3. Step 3: Cross multiply
    7,662.76x = 11,493.74 × 2,397.72
  4. Step 4: Simplify right side
    7,662.76x = 27,558,770.27
  5. Step 5: Solve for x
    x = 27,558,770.27/7,662.76
  6. Step 6: Final answer
    x = 3,596.45

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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.