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Finding the Fourth Proportional to 5,769.51, 8,654.25 and 1,386.96

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Solution

The fourth proportional to 5,769.51, 8,654.25 and 1,386.96 is: 2,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,769.51 : 8,654.25 = 1,386.96 : x
  2. Step 2: Convert to fraction form
    5,769.51/8,654.25 = 1,386.96/x
  3. Step 3: Cross multiply
    5,769.51x = 8,654.25 × 1,386.96
  4. Step 4: Simplify right side
    5,769.51x = 12,003,098.58
  5. Step 5: Solve for x
    x = 12,003,098.58/5,769.51
  6. Step 6: Final answer
    x = 2,080.44

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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.