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Finding the Fourth Proportional to 16,552.69, 22,842.81 and 8,999.08

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Solution

The fourth proportional to 16,552.69, 22,842.81 and 8,999.08 is: 12,418.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,552.69 : 22,842.81 = 8,999.08 : x
  2. Step 2: Convert to fraction form
    16,552.69/22,842.81 = 8,999.08/x
  3. Step 3: Cross multiply
    16,552.69x = 22,842.81 × 8,999.08
  4. Step 4: Simplify right side
    16,552.69x = 205,564,274.61
  5. Step 5: Solve for x
    x = 205,564,274.61/16,552.69
  6. Step 6: Final answer
    x = 12,418.78

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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.