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Finding the Fourth Proportional to 16,545.80, 22,833.18 and 8,992.11

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Solution

The fourth proportional to 16,545.80, 22,833.18 and 8,992.11 is: 12,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545.80 : 22,833.18 = 8,992.11 : x
  2. Step 2: Convert to fraction form
    16,545.80/22,833.18 = 8,992.11/x
  3. Step 3: Cross multiply
    16,545.80x = 22,833.18 × 8,992.11
  4. Step 4: Simplify right side
    16,545.80x = 205,318,466.21
  5. Step 5: Solve for x
    x = 205,318,466.21/16,545.80
  6. Step 6: Final answer
    x = 12,409.10

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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.