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Finding the Fourth Proportional to 1,833.17, 2,529.73 and 993.87

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Solution

The fourth proportional to 1,833.17, 2,529.73 and 993.87 is: 1,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.17 : 2,529.73 = 993.87 : x
  2. Step 2: Convert to fraction form
    1,833.17/2,529.73 = 993.87/x
  3. Step 3: Cross multiply
    1,833.17x = 2,529.73 × 993.87
  4. Step 4: Simplify right side
    1,833.17x = 2,514,224.00
  5. Step 5: Solve for x
    x = 2,514,224.00/1,833.17
  6. Step 6: Final answer
    x = 1,371.52

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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.