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Finding the Fourth Proportional to 1,944.99, 2,914.89 and 711.24

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Solution

The fourth proportional to 1,944.99, 2,914.89 and 711.24 is: 1,065.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.99 : 2,914.89 = 711.24 : x
  2. Step 2: Convert to fraction form
    1,944.99/2,914.89 = 711.24/x
  3. Step 3: Cross multiply
    1,944.99x = 2,914.89 × 711.24
  4. Step 4: Simplify right side
    1,944.99x = 2,073,186.36
  5. Step 5: Solve for x
    x = 2,073,186.36/1,944.99
  6. Step 6: Final answer
    x = 1,065.91

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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.