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Finding the Fourth Proportional to 1,044.62, 1,440.14 and 835.50

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Solution

The fourth proportional to 1,044.62, 1,440.14 and 835.50 is: 1,151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.62 : 1,440.14 = 835.50 : x
  2. Step 2: Convert to fraction form
    1,044.62/1,440.14 = 835.50/x
  3. Step 3: Cross multiply
    1,044.62x = 1,440.14 × 835.50
  4. Step 4: Simplify right side
    1,044.62x = 1,203,236.97
  5. Step 5: Solve for x
    x = 1,203,236.97/1,044.62
  6. Step 6: Final answer
    x = 1,151.84

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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.