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Finding the Fourth Proportional to 22,552.80, 33,800.40 and 16,389.60

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Solution

The fourth proportional to 22,552.80, 33,800.40 and 16,389.60 is: 24,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,552.80 : 33,800.40 = 16,389.60 : x
  2. Step 2: Convert to fraction form
    22,552.80/33,800.40 = 16,389.60/x
  3. Step 3: Cross multiply
    22,552.80x = 33,800.40 × 16,389.60
  4. Step 4: Simplify right side
    22,552.80x = 553,975,035.84
  5. Step 5: Solve for x
    x = 553,975,035.84/22,552.80
  6. Step 6: Final answer
    x = 24,563.47

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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.