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Finding the Fourth Proportional to 8,815.84, 13,224.99 and 2,576.31

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Solution

The fourth proportional to 8,815.84, 13,224.99 and 2,576.31 is: 3,864.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.84 : 13,224.99 = 2,576.31 : x
  2. Step 2: Convert to fraction form
    8,815.84/13,224.99 = 2,576.31/x
  3. Step 3: Cross multiply
    8,815.84x = 13,224.99 × 2,576.31
  4. Step 4: Simplify right side
    8,815.84x = 34,071,601.42
  5. Step 5: Solve for x
    x = 34,071,601.42/8,815.84
  6. Step 6: Final answer
    x = 3,864.82

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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.