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Finding the Fourth Proportional to 8,576.76, 11,836.15 and 4,799.90

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Solution

The fourth proportional to 8,576.76, 11,836.15 and 4,799.90 is: 6,623.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.76 : 11,836.15 = 4,799.90 : x
  2. Step 2: Convert to fraction form
    8,576.76/11,836.15 = 4,799.90/x
  3. Step 3: Cross multiply
    8,576.76x = 11,836.15 × 4,799.90
  4. Step 4: Simplify right side
    8,576.76x = 56,812,380.98
  5. Step 5: Solve for x
    x = 56,812,380.98/8,576.76
  6. Step 6: Final answer
    x = 6,623.99

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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.