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Finding the Fourth Proportional to 3,698.67, 5,550.47 and 1,751.07

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Solution

The fourth proportional to 3,698.67, 5,550.47 and 1,751.07 is: 2,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.67 : 5,550.47 = 1,751.07 : x
  2. Step 2: Convert to fraction form
    3,698.67/5,550.47 = 1,751.07/x
  3. Step 3: Cross multiply
    3,698.67x = 5,550.47 × 1,751.07
  4. Step 4: Simplify right side
    3,698.67x = 9,719,252.75
  5. Step 5: Solve for x
    x = 9,719,252.75/3,698.67
  6. Step 6: Final answer
    x = 2,627.77

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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.