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Finding the Fourth Proportional to 6,699.61, 10,050.21 and 1,769.29

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Solution

The fourth proportional to 6,699.61, 10,050.21 and 1,769.29 is: 2,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.61 : 10,050.21 = 1,769.29 : x
  2. Step 2: Convert to fraction form
    6,699.61/10,050.21 = 1,769.29/x
  3. Step 3: Cross multiply
    6,699.61x = 10,050.21 × 1,769.29
  4. Step 4: Simplify right side
    6,699.61x = 17,781,767.46
  5. Step 5: Solve for x
    x = 17,781,767.46/6,699.61
  6. Step 6: Final answer
    x = 2,654.15

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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.