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Finding the Fourth Proportional to 1,424.76, 1,965.47 and 927.69

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Solution

The fourth proportional to 1,424.76, 1,965.47 and 927.69 is: 1,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.76 : 1,965.47 = 927.69 : x
  2. Step 2: Convert to fraction form
    1,424.76/1,965.47 = 927.69/x
  3. Step 3: Cross multiply
    1,424.76x = 1,965.47 × 927.69
  4. Step 4: Simplify right side
    1,424.76x = 1,823,342.23
  5. Step 5: Solve for x
    x = 1,823,342.23/1,424.76
  6. Step 6: Final answer
    x = 1,279.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.