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Finding the Fourth Proportional to 6,310.67, 8,705.41 and 4,815.98

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Solution

The fourth proportional to 6,310.67, 8,705.41 and 4,815.98 is: 6,643.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.67 : 8,705.41 = 4,815.98 : x
  2. Step 2: Convert to fraction form
    6,310.67/8,705.41 = 4,815.98/x
  3. Step 3: Cross multiply
    6,310.67x = 8,705.41 × 4,815.98
  4. Step 4: Simplify right side
    6,310.67x = 41,925,090.18
  5. Step 5: Solve for x
    x = 41,925,090.18/6,310.67
  6. Step 6: Final answer
    x = 6,643.53

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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.