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Finding the Fourth Proportional to 8,576.95, 12,866.36 and 2,732.20

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Solution

The fourth proportional to 8,576.95, 12,866.36 and 2,732.20 is: 4,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.95 : 12,866.36 = 2,732.20 : x
  2. Step 2: Convert to fraction form
    8,576.95/12,866.36 = 2,732.20/x
  3. Step 3: Cross multiply
    8,576.95x = 12,866.36 × 2,732.20
  4. Step 4: Simplify right side
    8,576.95x = 35,153,468.79
  5. Step 5: Solve for x
    x = 35,153,468.79/8,576.95
  6. Step 6: Final answer
    x = 4,098.60

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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.