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Finding the Fourth Proportional to 22,108.80, 33,130.32 and 17,154

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Solution

The fourth proportional to 22,108.80, 33,130.32 and 17,154 is: 25,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.80 : 33,130.32 = 17,154 : x
  2. Step 2: Convert to fraction form
    22,108.80/33,130.32 = 17,154/x
  3. Step 3: Cross multiply
    22,108.80x = 33,130.32 × 17,154
  4. Step 4: Simplify right side
    22,108.80x = 568,317,509.28
  5. Step 5: Solve for x
    x = 568,317,509.28/22,108.80
  6. Step 6: Final answer
    x = 25,705.49

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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.