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Finding the Fourth Proportional to 7,886.58, 11,831.04 and 2,339.27

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Solution

The fourth proportional to 7,886.58, 11,831.04 and 2,339.27 is: 3,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.58 : 11,831.04 = 2,339.27 : x
  2. Step 2: Convert to fraction form
    7,886.58/11,831.04 = 2,339.27/x
  3. Step 3: Cross multiply
    7,886.58x = 11,831.04 × 2,339.27
  4. Step 4: Simplify right side
    7,886.58x = 27,675,996.94
  5. Step 5: Solve for x
    x = 27,675,996.94/7,886.58
  6. Step 6: Final answer
    x = 3,509.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.