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Finding the Fourth Proportional to 950.63, 1,316.95 and 927.95

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Solution

The fourth proportional to 950.63, 1,316.95 and 927.95 is: 1,285.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.63 : 1,316.95 = 927.95 : x
  2. Step 2: Convert to fraction form
    950.63/1,316.95 = 927.95/x
  3. Step 3: Cross multiply
    950.63x = 1,316.95 × 927.95
  4. Step 4: Simplify right side
    950.63x = 1,222,059.11
  5. Step 5: Solve for x
    x = 1,222,059.11/950.63
  6. Step 6: Final answer
    x = 1,285.53

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.