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Finding the Fourth Proportional to 14,661.01, 20,234.10 and 8,994.61

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Solution

The fourth proportional to 14,661.01, 20,234.10 and 8,994.61 is: 12,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.01 : 20,234.10 = 8,994.61 : x
  2. Step 2: Convert to fraction form
    14,661.01/20,234.10 = 8,994.61/x
  3. Step 3: Cross multiply
    14,661.01x = 20,234.10 × 8,994.61
  4. Step 4: Simplify right side
    14,661.01x = 181,997,838.20
  5. Step 5: Solve for x
    x = 181,997,838.20/14,661.01
  6. Step 6: Final answer
    x = 12,413.73

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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.