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Finding the Fourth Proportional to 2,064.11, 3,095.87 and 677.51

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Solution

The fourth proportional to 2,064.11, 3,095.87 and 677.51 is: 1,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.11 : 3,095.87 = 677.51 : x
  2. Step 2: Convert to fraction form
    2,064.11/3,095.87 = 677.51/x
  3. Step 3: Cross multiply
    2,064.11x = 3,095.87 × 677.51
  4. Step 4: Simplify right side
    2,064.11x = 2,097,464.02
  5. Step 5: Solve for x
    x = 2,097,464.02/2,064.11
  6. Step 6: Final answer
    x = 1,016.16

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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.