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Finding the Fourth Proportional to 6,875.99, 10,317.30 and 3,755.91

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Solution

The fourth proportional to 6,875.99, 10,317.30 and 3,755.91 is: 5,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.99 : 10,317.30 = 3,755.91 : x
  2. Step 2: Convert to fraction form
    6,875.99/10,317.30 = 3,755.91/x
  3. Step 3: Cross multiply
    6,875.99x = 10,317.30 × 3,755.91
  4. Step 4: Simplify right side
    6,875.99x = 38,750,850.24
  5. Step 5: Solve for x
    x = 38,750,850.24/6,875.99
  6. Step 6: Final answer
    x = 5,635.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.