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Finding the Fourth Proportional to 6,376.86, 8,800.62 and 3,725.12

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Solution

The fourth proportional to 6,376.86, 8,800.62 and 3,725.12 is: 5,140.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.86 : 8,800.62 = 3,725.12 : x
  2. Step 2: Convert to fraction form
    6,376.86/8,800.62 = 3,725.12/x
  3. Step 3: Cross multiply
    6,376.86x = 8,800.62 × 3,725.12
  4. Step 4: Simplify right side
    6,376.86x = 32,783,373.61
  5. Step 5: Solve for x
    x = 32,783,373.61/6,376.86
  6. Step 6: Final answer
    x = 5,140.99

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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.