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Finding the Fourth Proportional to 21,994.65, 32,992.04 and 5,354.69

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Solution

The fourth proportional to 21,994.65, 32,992.04 and 5,354.69 is: 8,032.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,994.65 : 32,992.04 = 5,354.69 : x
  2. Step 2: Convert to fraction form
    21,994.65/32,992.04 = 5,354.69/x
  3. Step 3: Cross multiply
    21,994.65x = 32,992.04 × 5,354.69
  4. Step 4: Simplify right side
    21,994.65x = 176,661,995.09
  5. Step 5: Solve for x
    x = 176,661,995.09/21,994.65
  6. Step 6: Final answer
    x = 8,032.04

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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.