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Finding the Fourth Proportional to 1,062.94, 1,600.66 and 927.60

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Solution

The fourth proportional to 1,062.94, 1,600.66 and 927.60 is: 1,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.94 : 1,600.66 = 927.60 : x
  2. Step 2: Convert to fraction form
    1,062.94/1,600.66 = 927.60/x
  3. Step 3: Cross multiply
    1,062.94x = 1,600.66 × 927.60
  4. Step 4: Simplify right side
    1,062.94x = 1,484,772.22
  5. Step 5: Solve for x
    x = 1,484,772.22/1,062.94
  6. Step 6: Final answer
    x = 1,396.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.