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Finding the Fourth Proportional to 8,363.64, 11,541.82 and 4,586.87

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Solution

The fourth proportional to 8,363.64, 11,541.82 and 4,586.87 is: 6,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.64 : 11,541.82 = 4,586.87 : x
  2. Step 2: Convert to fraction form
    8,363.64/11,541.82 = 4,586.87/x
  3. Step 3: Cross multiply
    8,363.64x = 11,541.82 × 4,586.87
  4. Step 4: Simplify right side
    8,363.64x = 52,940,827.90
  5. Step 5: Solve for x
    x = 52,940,827.90/8,363.64
  6. Step 6: Final answer
    x = 6,329.88

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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.