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Finding the Fourth Proportional to 1,796.23, 2,695.40 and 756.17

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Solution

The fourth proportional to 1,796.23, 2,695.40 and 756.17 is: 1,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.23 : 2,695.40 = 756.17 : x
  2. Step 2: Convert to fraction form
    1,796.23/2,695.40 = 756.17/x
  3. Step 3: Cross multiply
    1,796.23x = 2,695.40 × 756.17
  4. Step 4: Simplify right side
    1,796.23x = 2,038,180.62
  5. Step 5: Solve for x
    x = 2,038,180.62/1,796.23
  6. Step 6: Final answer
    x = 1,134.70

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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.