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Finding the Fourth Proportional to 8,552.79, 12,824.73 and 5,043.87

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Solution

The fourth proportional to 8,552.79, 12,824.73 and 5,043.87 is: 7,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.79 : 12,824.73 = 5,043.87 : x
  2. Step 2: Convert to fraction form
    8,552.79/12,824.73 = 5,043.87/x
  3. Step 3: Cross multiply
    8,552.79x = 12,824.73 × 5,043.87
  4. Step 4: Simplify right side
    8,552.79x = 64,686,270.91
  5. Step 5: Solve for x
    x = 64,686,270.91/8,552.79
  6. Step 6: Final answer
    x = 7,563.18

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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.