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Finding the Fourth Proportional to 3,351.58, 5,028.95 and 1,709.30

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Solution

The fourth proportional to 3,351.58, 5,028.95 and 1,709.30 is: 2,564.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.58 : 5,028.95 = 1,709.30 : x
  2. Step 2: Convert to fraction form
    3,351.58/5,028.95 = 1,709.30/x
  3. Step 3: Cross multiply
    3,351.58x = 5,028.95 × 1,709.30
  4. Step 4: Simplify right side
    3,351.58x = 8,596,001.08
  5. Step 5: Solve for x
    x = 8,596,001.08/3,351.58
  6. Step 6: Final answer
    x = 2,564.76

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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.