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Finding the Fourth Proportional to 16,545.54, 22,833.16 and 8,991.92

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Solution

The fourth proportional to 16,545.54, 22,833.16 and 8,991.92 is: 12,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545.54 : 22,833.16 = 8,991.92 : x
  2. Step 2: Convert to fraction form
    16,545.54/22,833.16 = 8,991.92/x
  3. Step 3: Cross multiply
    16,545.54x = 22,833.16 × 8,991.92
  4. Step 4: Simplify right side
    16,545.54x = 205,313,948.07
  5. Step 5: Solve for x
    x = 205,313,948.07/16,545.54
  6. Step 6: Final answer
    x = 12,409.02

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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.