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Finding the Fourth Proportional to 6,299.89, 9,450.17 and 1,917.01

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Solution

The fourth proportional to 6,299.89, 9,450.17 and 1,917.01 is: 2,875.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,299.89 : 9,450.17 = 1,917.01 : x
  2. Step 2: Convert to fraction form
    6,299.89/9,450.17 = 1,917.01/x
  3. Step 3: Cross multiply
    6,299.89x = 9,450.17 × 1,917.01
  4. Step 4: Simplify right side
    6,299.89x = 18,116,070.39
  5. Step 5: Solve for x
    x = 18,116,070.39/6,299.89
  6. Step 6: Final answer
    x = 2,875.62

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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.