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Finding the Fourth Proportional to 1,935.99, 2,902.75 and 703.38

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Solution

The fourth proportional to 1,935.99, 2,902.75 and 703.38 is: 1,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.99 : 2,902.75 = 703.38 : x
  2. Step 2: Convert to fraction form
    1,935.99/2,902.75 = 703.38/x
  3. Step 3: Cross multiply
    1,935.99x = 2,902.75 × 703.38
  4. Step 4: Simplify right side
    1,935.99x = 2,041,736.30
  5. Step 5: Solve for x
    x = 2,041,736.30/1,935.99
  6. Step 6: Final answer
    x = 1,054.62

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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.