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Finding the Fourth Proportional to 935.54, 1,401.92 and 833.02

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Solution

The fourth proportional to 935.54, 1,401.92 and 833.02 is: 1,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.54 : 1,401.92 = 833.02 : x
  2. Step 2: Convert to fraction form
    935.54/1,401.92 = 833.02/x
  3. Step 3: Cross multiply
    935.54x = 1,401.92 × 833.02
  4. Step 4: Simplify right side
    935.54x = 1,167,827.40
  5. Step 5: Solve for x
    x = 1,167,827.40/935.54
  6. Step 6: Final answer
    x = 1,248.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.