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Finding the Fourth Proportional to 5,469.99, 8,203.77 and 1,574.70

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Solution

The fourth proportional to 5,469.99, 8,203.77 and 1,574.70 is: 2,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.99 : 8,203.77 = 1,574.70 : x
  2. Step 2: Convert to fraction form
    5,469.99/8,203.77 = 1,574.70/x
  3. Step 3: Cross multiply
    5,469.99x = 8,203.77 × 1,574.70
  4. Step 4: Simplify right side
    5,469.99x = 12,918,476.62
  5. Step 5: Solve for x
    x = 12,918,476.62/5,469.99
  6. Step 6: Final answer
    x = 2,361.70

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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.