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Finding the Fourth Proportional to 3,699.66, 5,552.73 and 3,122.94

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Solution

The fourth proportional to 3,699.66, 5,552.73 and 3,122.94 is: 4,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.66 : 5,552.73 = 3,122.94 : x
  2. Step 2: Convert to fraction form
    3,699.66/5,552.73 = 3,122.94/x
  3. Step 3: Cross multiply
    3,699.66x = 5,552.73 × 3,122.94
  4. Step 4: Simplify right side
    3,699.66x = 17,340,842.63
  5. Step 5: Solve for x
    x = 17,340,842.63/3,699.66
  6. Step 6: Final answer
    x = 4,687.14

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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.