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Finding the Fourth Proportional to 8,356.41, 11,532.02 and 4,579.72

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Solution

The fourth proportional to 8,356.41, 11,532.02 and 4,579.72 is: 6,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.41 : 11,532.02 = 4,579.72 : x
  2. Step 2: Convert to fraction form
    8,356.41/11,532.02 = 4,579.72/x
  3. Step 3: Cross multiply
    8,356.41x = 11,532.02 × 4,579.72
  4. Step 4: Simplify right side
    8,356.41x = 52,813,370.91
  5. Step 5: Solve for x
    x = 52,813,370.91/8,356.41
  6. Step 6: Final answer
    x = 6,320.10

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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.