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Finding the Fourth Proportional to 3,699.95, 5,550.39 and 1,359.63

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Solution

The fourth proportional to 3,699.95, 5,550.39 and 1,359.63 is: 2,039.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.95 : 5,550.39 = 1,359.63 : x
  2. Step 2: Convert to fraction form
    3,699.95/5,550.39 = 1,359.63/x
  3. Step 3: Cross multiply
    3,699.95x = 5,550.39 × 1,359.63
  4. Step 4: Simplify right side
    3,699.95x = 7,546,476.76
  5. Step 5: Solve for x
    x = 7,546,476.76/3,699.95
  6. Step 6: Final answer
    x = 2,039.62

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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.