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Finding the Fourth Proportional to 16,068.80, 22,174 and 8,995.32

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Solution

The fourth proportional to 16,068.80, 22,174 and 8,995.32 is: 12,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,068.80 : 22,174 = 8,995.32 : x
  2. Step 2: Convert to fraction form
    16,068.80/22,174 = 8,995.32/x
  3. Step 3: Cross multiply
    16,068.80x = 22,174 × 8,995.32
  4. Step 4: Simplify right side
    16,068.80x = 199,462,225.68
  5. Step 5: Solve for x
    x = 199,462,225.68/16,068.80
  6. Step 6: Final answer
    x = 12,413.01

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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.