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Finding the Fourth Proportional to 5,675.97, 8,518.14 and 2,867.51

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Solution

The fourth proportional to 5,675.97, 8,518.14 and 2,867.51 is: 4,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.97 : 8,518.14 = 2,867.51 : x
  2. Step 2: Convert to fraction form
    5,675.97/8,518.14 = 2,867.51/x
  3. Step 3: Cross multiply
    5,675.97x = 8,518.14 × 2,867.51
  4. Step 4: Simplify right side
    5,675.97x = 24,425,809.04
  5. Step 5: Solve for x
    x = 24,425,809.04/5,675.97
  6. Step 6: Final answer
    x = 4,303.37

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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.