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Finding the Fourth Proportional to 8,824.74, 12,178.08 and 4,845.92

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Solution

The fourth proportional to 8,824.74, 12,178.08 and 4,845.92 is: 6,687.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.74 : 12,178.08 = 4,845.92 : x
  2. Step 2: Convert to fraction form
    8,824.74/12,178.08 = 4,845.92/x
  3. Step 3: Cross multiply
    8,824.74x = 12,178.08 × 4,845.92
  4. Step 4: Simplify right side
    8,824.74x = 59,014,001.43
  5. Step 5: Solve for x
    x = 59,014,001.43/8,824.74
  6. Step 6: Final answer
    x = 6,687.34

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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.