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Finding the Fourth Proportional to 16,132, 22,260.36 and 9,057.44

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Solution

The fourth proportional to 16,132, 22,260.36 and 9,057.44 is: 12,498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,132 : 22,260.36 = 9,057.44 : x
  2. Step 2: Convert to fraction form
    16,132/22,260.36 = 9,057.44/x
  3. Step 3: Cross multiply
    16,132x = 22,260.36 × 9,057.44
  4. Step 4: Simplify right side
    16,132x = 201,621,875.08
  5. Step 5: Solve for x
    x = 201,621,875.08/16,132
  6. Step 6: Final answer
    x = 12,498.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.