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Finding the Fourth Proportional to 952.44, 1,312.98 and 671.82

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Solution

The fourth proportional to 952.44, 1,312.98 and 671.82 is: 926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.44 : 1,312.98 = 671.82 : x
  2. Step 2: Convert to fraction form
    952.44/1,312.98 = 671.82/x
  3. Step 3: Cross multiply
    952.44x = 1,312.98 × 671.82
  4. Step 4: Simplify right side
    952.44x = 882,086.22
  5. Step 5: Solve for x
    x = 882,086.22/952.44
  6. Step 6: Final answer
    x = 926.13

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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.