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Finding the Fourth Proportional to 952.76, 1,430.06 and 746.82

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Solution

The fourth proportional to 952.76, 1,430.06 and 746.82 is: 1,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.76 : 1,430.06 = 746.82 : x
  2. Step 2: Convert to fraction form
    952.76/1,430.06 = 746.82/x
  3. Step 3: Cross multiply
    952.76x = 1,430.06 × 746.82
  4. Step 4: Simplify right side
    952.76x = 1,067,993.68
  5. Step 5: Solve for x
    x = 1,067,993.68/952.76
  6. Step 6: Final answer
    x = 1,120.94

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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.