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Finding the Fourth Proportional to 1,784.26, 2,462.27 and 976.71

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Solution

The fourth proportional to 1,784.26, 2,462.27 and 976.71 is: 1,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.26 : 2,462.27 = 976.71 : x
  2. Step 2: Convert to fraction form
    1,784.26/2,462.27 = 976.71/x
  3. Step 3: Cross multiply
    1,784.26x = 2,462.27 × 976.71
  4. Step 4: Simplify right side
    1,784.26x = 2,404,913.86
  5. Step 5: Solve for x
    x = 2,404,913.86/1,784.26
  6. Step 6: Final answer
    x = 1,347.85

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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.