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Finding the Fourth Proportional to 4,393.88, 6,593.40 and 1,622.48

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Solution

The fourth proportional to 4,393.88, 6,593.40 and 1,622.48 is: 2,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.88 : 6,593.40 = 1,622.48 : x
  2. Step 2: Convert to fraction form
    4,393.88/6,593.40 = 1,622.48/x
  3. Step 3: Cross multiply
    4,393.88x = 6,593.40 × 1,622.48
  4. Step 4: Simplify right side
    4,393.88x = 10,697,659.63
  5. Step 5: Solve for x
    x = 10,697,659.63/4,393.88
  6. Step 6: Final answer
    x = 2,434.67

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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.