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Finding the Fourth Proportional to 8,732.46, 12,054.92 and 5,590.48

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Solution

The fourth proportional to 8,732.46, 12,054.92 and 5,590.48 is: 7,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.46 : 12,054.92 = 5,590.48 : x
  2. Step 2: Convert to fraction form
    8,732.46/12,054.92 = 5,590.48/x
  3. Step 3: Cross multiply
    8,732.46x = 12,054.92 × 5,590.48
  4. Step 4: Simplify right side
    8,732.46x = 67,392,789.16
  5. Step 5: Solve for x
    x = 67,392,789.16/8,732.46
  6. Step 6: Final answer
    x = 7,717.50

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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.