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Finding the Fourth Proportional to 3,399.64, 5,095.14 and 1,551.76

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Solution

The fourth proportional to 3,399.64, 5,095.14 and 1,551.76 is: 2,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.64 : 5,095.14 = 1,551.76 : x
  2. Step 2: Convert to fraction form
    3,399.64/5,095.14 = 1,551.76/x
  3. Step 3: Cross multiply
    3,399.64x = 5,095.14 × 1,551.76
  4. Step 4: Simplify right side
    3,399.64x = 7,906,434.45
  5. Step 5: Solve for x
    x = 7,906,434.45/3,399.64
  6. Step 6: Final answer
    x = 2,325.67

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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.