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Finding the Fourth Proportional to 28,662, 39,553.83 and 16,087.02

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Solution

The fourth proportional to 28,662, 39,553.83 and 16,087.02 is: 22,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662 : 39,553.83 = 16,087.02 : x
  2. Step 2: Convert to fraction form
    28,662/39,553.83 = 16,087.02/x
  3. Step 3: Cross multiply
    28,662x = 39,553.83 × 16,087.02
  4. Step 4: Simplify right side
    28,662x = 636,303,254.29
  5. Step 5: Solve for x
    x = 636,303,254.29/28,662
  6. Step 6: Final answer
    x = 22,200.24

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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.