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Finding the Fourth Proportional to 16,363.40, 24,545.10 and 8,990.60

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Solution

The fourth proportional to 16,363.40, 24,545.10 and 8,990.60 is: 13,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,363.40 : 24,545.10 = 8,990.60 : x
  2. Step 2: Convert to fraction form
    16,363.40/24,545.10 = 8,990.60/x
  3. Step 3: Cross multiply
    16,363.40x = 24,545.10 × 8,990.60
  4. Step 4: Simplify right side
    16,363.40x = 220,675,176.06
  5. Step 5: Solve for x
    x = 220,675,176.06/16,363.40
  6. Step 6: Final answer
    x = 13,485.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.