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Finding the Fourth Proportional to 7,576.96, 11,365.38 and 2,959.96

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Solution

The fourth proportional to 7,576.96, 11,365.38 and 2,959.96 is: 4,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.96 : 11,365.38 = 2,959.96 : x
  2. Step 2: Convert to fraction form
    7,576.96/11,365.38 = 2,959.96/x
  3. Step 3: Cross multiply
    7,576.96x = 11,365.38 × 2,959.96
  4. Step 4: Simplify right side
    7,576.96x = 33,641,070.18
  5. Step 5: Solve for x
    x = 33,641,070.18/7,576.96
  6. Step 6: Final answer
    x = 4,439.92

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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.