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Finding the Fourth Proportional to 6,234.86, 8,607.22 and 3,877.76

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Solution

The fourth proportional to 6,234.86, 8,607.22 and 3,877.76 is: 5,353.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,234.86 : 8,607.22 = 3,877.76 : x
  2. Step 2: Convert to fraction form
    6,234.86/8,607.22 = 3,877.76/x
  3. Step 3: Cross multiply
    6,234.86x = 8,607.22 × 3,877.76
  4. Step 4: Simplify right side
    6,234.86x = 33,376,690.39
  5. Step 5: Solve for x
    x = 33,376,690.39/6,234.86
  6. Step 6: Final answer
    x = 5,353.24

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1.5x scale

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.