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Finding the Fourth Proportional to 5,650.98, 7,800.18 and 3,292.68

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Solution

The fourth proportional to 5,650.98, 7,800.18 and 3,292.68 is: 4,544.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,650.98 : 7,800.18 = 3,292.68 : x
  2. Step 2: Convert to fraction form
    5,650.98/7,800.18 = 3,292.68/x
  3. Step 3: Cross multiply
    5,650.98x = 7,800.18 × 3,292.68
  4. Step 4: Simplify right side
    5,650.98x = 25,683,496.68
  5. Step 5: Solve for x
    x = 25,683,496.68/5,650.98
  6. Step 6: Final answer
    x = 4,544.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.