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Finding the Fourth Proportional to 16,552.80, 22,842.20 and 8,999.04

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Solution

The fourth proportional to 16,552.80, 22,842.20 and 8,999.04 is: 12,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,552.80 : 22,842.20 = 8,999.04 : x
  2. Step 2: Convert to fraction form
    16,552.80/22,842.20 = 8,999.04/x
  3. Step 3: Cross multiply
    16,552.80x = 22,842.20 × 8,999.04
  4. Step 4: Simplify right side
    16,552.80x = 205,557,871.49
  5. Step 5: Solve for x
    x = 205,557,871.49/16,552.80
  6. Step 6: Final answer
    x = 12,418.31

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1.5x scale

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.