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Finding the Fourth Proportional to 16,881.43, 25,322.54 and 5,788.03

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Solution

The fourth proportional to 16,881.43, 25,322.54 and 5,788.03 is: 8,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.43 : 25,322.54 = 5,788.03 : x
  2. Step 2: Convert to fraction form
    16,881.43/25,322.54 = 5,788.03/x
  3. Step 3: Cross multiply
    16,881.43x = 25,322.54 × 5,788.03
  4. Step 4: Simplify right side
    16,881.43x = 146,567,621.20
  5. Step 5: Solve for x
    x = 146,567,621.20/16,881.43
  6. Step 6: Final answer
    x = 8,682.18

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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.