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Finding the Fourth Proportional to 3,551.99, 5,328.96 and 1,550.85

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Solution

The fourth proportional to 3,551.99, 5,328.96 and 1,550.85 is: 2,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.99 : 5,328.96 = 1,550.85 : x
  2. Step 2: Convert to fraction form
    3,551.99/5,328.96 = 1,550.85/x
  3. Step 3: Cross multiply
    3,551.99x = 5,328.96 × 1,550.85
  4. Step 4: Simplify right side
    3,551.99x = 8,264,417.62
  5. Step 5: Solve for x
    x = 8,264,417.62/3,551.99
  6. Step 6: Final answer
    x = 2,326.70

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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.