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Finding the Fourth Proportional to 2,399.97, 3,599.24 and 756.93

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Solution

The fourth proportional to 2,399.97, 3,599.24 and 756.93 is: 1,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.97 : 3,599.24 = 756.93 : x
  2. Step 2: Convert to fraction form
    2,399.97/3,599.24 = 756.93/x
  3. Step 3: Cross multiply
    2,399.97x = 3,599.24 × 756.93
  4. Step 4: Simplify right side
    2,399.97x = 2,724,368.95
  5. Step 5: Solve for x
    x = 2,724,368.95/2,399.97
  6. Step 6: Final answer
    x = 1,135.17

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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.