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Finding the Fourth Proportional to 9,760.44, 13,455.48 and 6,961.08

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Solution

The fourth proportional to 9,760.44, 13,455.48 and 6,961.08 is: 9,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.44 : 13,455.48 = 6,961.08 : x
  2. Step 2: Convert to fraction form
    9,760.44/13,455.48 = 6,961.08/x
  3. Step 3: Cross multiply
    9,760.44x = 13,455.48 × 6,961.08
  4. Step 4: Simplify right side
    9,760.44x = 93,664,672.72
  5. Step 5: Solve for x
    x = 93,664,672.72/9,760.44
  6. Step 6: Final answer
    x = 9,596.36

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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.