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Finding the Fourth Proportional to 16,683.13, 25,027.43 and 7,913.26

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Solution

The fourth proportional to 16,683.13, 25,027.43 and 7,913.26 is: 11,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.13 : 25,027.43 = 7,913.26 : x
  2. Step 2: Convert to fraction form
    16,683.13/25,027.43 = 7,913.26/x
  3. Step 3: Cross multiply
    16,683.13x = 25,027.43 × 7,913.26
  4. Step 4: Simplify right side
    16,683.13x = 198,048,458.59
  5. Step 5: Solve for x
    x = 198,048,458.59/16,683.13
  6. Step 6: Final answer
    x = 11,871.18

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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.