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Finding the Fourth Proportional to 6,310.15, 8,707.01 and 3,657.02

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Solution

The fourth proportional to 6,310.15, 8,707.01 and 3,657.02 is: 5,046.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.15 : 8,707.01 = 3,657.02 : x
  2. Step 2: Convert to fraction form
    6,310.15/8,707.01 = 3,657.02/x
  3. Step 3: Cross multiply
    6,310.15x = 8,707.01 × 3,657.02
  4. Step 4: Simplify right side
    6,310.15x = 31,841,740.62
  5. Step 5: Solve for x
    x = 31,841,740.62/6,310.15
  6. Step 6: Final answer
    x = 5,046.12

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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.