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Finding the Fourth Proportional to 1,600.70, 2,396.54 and 1,079.67

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Solution

The fourth proportional to 1,600.70, 2,396.54 and 1,079.67 is: 1,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.70 : 2,396.54 = 1,079.67 : x
  2. Step 2: Convert to fraction form
    1,600.70/2,396.54 = 1,079.67/x
  3. Step 3: Cross multiply
    1,600.70x = 2,396.54 × 1,079.67
  4. Step 4: Simplify right side
    1,600.70x = 2,587,472.34
  5. Step 5: Solve for x
    x = 2,587,472.34/1,600.70
  6. Step 6: Final answer
    x = 1,616.46

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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.