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Finding the Fourth Proportional to 1,936.26, 2,904.06 and 703.50

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Solution

The fourth proportional to 1,936.26, 2,904.06 and 703.50 is: 1,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.26 : 2,904.06 = 703.50 : x
  2. Step 2: Convert to fraction form
    1,936.26/2,904.06 = 703.50/x
  3. Step 3: Cross multiply
    1,936.26x = 2,904.06 × 703.50
  4. Step 4: Simplify right side
    1,936.26x = 2,043,006.21
  5. Step 5: Solve for x
    x = 2,043,006.21/1,936.26
  6. Step 6: Final answer
    x = 1,055.13

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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.