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Finding the Fourth Proportional to 22,356, 33,502.80 and 16,802.82

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Solution

The fourth proportional to 22,356, 33,502.80 and 16,802.82 is: 25,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356 : 33,502.80 = 16,802.82 : x
  2. Step 2: Convert to fraction form
    22,356/33,502.80 = 16,802.82/x
  3. Step 3: Cross multiply
    22,356x = 33,502.80 × 16,802.82
  4. Step 4: Simplify right side
    22,356x = 562,941,517.90
  5. Step 5: Solve for x
    x = 562,941,517.90/22,356
  6. Step 6: Final answer
    x = 25,180.78

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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.