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Finding the Fourth Proportional to 1,936.48, 2,903.80 and 896.17

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Solution

The fourth proportional to 1,936.48, 2,903.80 and 896.17 is: 1,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.48 : 2,903.80 = 896.17 : x
  2. Step 2: Convert to fraction form
    1,936.48/2,903.80 = 896.17/x
  3. Step 3: Cross multiply
    1,936.48x = 2,903.80 × 896.17
  4. Step 4: Simplify right side
    1,936.48x = 2,602,298.45
  5. Step 5: Solve for x
    x = 2,602,298.45/1,936.48
  6. Step 6: Final answer
    x = 1,343.83

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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.