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Finding the Fourth Proportional to 3,533.76, 5,297.18 and 1,974.51

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Solution

The fourth proportional to 3,533.76, 5,297.18 and 1,974.51 is: 2,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.76 : 5,297.18 = 1,974.51 : x
  2. Step 2: Convert to fraction form
    3,533.76/5,297.18 = 1,974.51/x
  3. Step 3: Cross multiply
    3,533.76x = 5,297.18 × 1,974.51
  4. Step 4: Simplify right side
    3,533.76x = 10,459,334.88
  5. Step 5: Solve for x
    x = 10,459,334.88/3,533.76
  6. Step 6: Final answer
    x = 2,959.83

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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.