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Finding the Fourth Proportional to 6,550.05, 9,825.17 and 3,646.80

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Solution

The fourth proportional to 6,550.05, 9,825.17 and 3,646.80 is: 5,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.05 : 9,825.17 = 3,646.80 : x
  2. Step 2: Convert to fraction form
    6,550.05/9,825.17 = 3,646.80/x
  3. Step 3: Cross multiply
    6,550.05x = 9,825.17 × 3,646.80
  4. Step 4: Simplify right side
    6,550.05x = 35,830,475.92
  5. Step 5: Solve for x
    x = 35,830,475.92/6,550.05
  6. Step 6: Final answer
    x = 5,470.26

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1.5x scale

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.