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Finding the Fourth Proportional to 1,363.53, 1,881.90 and 832.44

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Solution

The fourth proportional to 1,363.53, 1,881.90 and 832.44 is: 1,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.53 : 1,881.90 = 832.44 : x
  2. Step 2: Convert to fraction form
    1,363.53/1,881.90 = 832.44/x
  3. Step 3: Cross multiply
    1,363.53x = 1,881.90 × 832.44
  4. Step 4: Simplify right side
    1,363.53x = 1,566,568.84
  5. Step 5: Solve for x
    x = 1,566,568.84/1,363.53
  6. Step 6: Final answer
    x = 1,148.91

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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.