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Finding the Fourth Proportional to 8,881.41, 13,317.54 and 4,723.68

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Solution

The fourth proportional to 8,881.41, 13,317.54 and 4,723.68 is: 7,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.41 : 13,317.54 = 4,723.68 : x
  2. Step 2: Convert to fraction form
    8,881.41/13,317.54 = 4,723.68/x
  3. Step 3: Cross multiply
    8,881.41x = 13,317.54 × 4,723.68
  4. Step 4: Simplify right side
    8,881.41x = 62,907,797.35
  5. Step 5: Solve for x
    x = 62,907,797.35/8,881.41
  6. Step 6: Final answer
    x = 7,083.09

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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.