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Finding the Fourth Proportional to 8,976.52, 12,389.64 and 5,827.24

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Solution

The fourth proportional to 8,976.52, 12,389.64 and 5,827.24 is: 8,042.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.52 : 12,389.64 = 5,827.24 : x
  2. Step 2: Convert to fraction form
    8,976.52/12,389.64 = 5,827.24/x
  3. Step 3: Cross multiply
    8,976.52x = 12,389.64 × 5,827.24
  4. Step 4: Simplify right side
    8,976.52x = 72,197,405.79
  5. Step 5: Solve for x
    x = 72,197,405.79/8,976.52
  6. Step 6: Final answer
    x = 8,042.92

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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.