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Finding the Fourth Proportional to 1,835.57, 2,533.13 and 996.31

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Solution

The fourth proportional to 1,835.57, 2,533.13 and 996.31 is: 1,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.57 : 2,533.13 = 996.31 : x
  2. Step 2: Convert to fraction form
    1,835.57/2,533.13 = 996.31/x
  3. Step 3: Cross multiply
    1,835.57x = 2,533.13 × 996.31
  4. Step 4: Simplify right side
    1,835.57x = 2,523,767.59
  5. Step 5: Solve for x
    x = 2,523,767.59/1,835.57
  6. Step 6: Final answer
    x = 1,374.93

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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.