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Finding the Fourth Proportional to 22,509.80, 33,743.10 and 17,509.40

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Solution

The fourth proportional to 22,509.80, 33,743.10 and 17,509.40 is: 26,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,509.80 : 33,743.10 = 17,509.40 : x
  2. Step 2: Convert to fraction form
    22,509.80/33,743.10 = 17,509.40/x
  3. Step 3: Cross multiply
    22,509.80x = 33,743.10 × 17,509.40
  4. Step 4: Simplify right side
    22,509.80x = 590,821,435.14
  5. Step 5: Solve for x
    x = 590,821,435.14/22,509.80
  6. Step 6: Final answer
    x = 26,247.30

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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.