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Finding the Fourth Proportional to 2,903.29, 4,005.12 and 1,723.53

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Solution

The fourth proportional to 2,903.29, 4,005.12 and 1,723.53 is: 2,377.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.29 : 4,005.12 = 1,723.53 : x
  2. Step 2: Convert to fraction form
    2,903.29/4,005.12 = 1,723.53/x
  3. Step 3: Cross multiply
    2,903.29x = 4,005.12 × 1,723.53
  4. Step 4: Simplify right side
    2,903.29x = 6,902,944.47
  5. Step 5: Solve for x
    x = 6,902,944.47/2,903.29
  6. Step 6: Final answer
    x = 2,377.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.