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Finding the Fourth Proportional to 21,873.74, 32,806.73 and 6,079.88

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Solution

The fourth proportional to 21,873.74, 32,806.73 and 6,079.88 is: 9,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873.74 : 32,806.73 = 6,079.88 : x
  2. Step 2: Convert to fraction form
    21,873.74/32,806.73 = 6,079.88/x
  3. Step 3: Cross multiply
    21,873.74x = 32,806.73 × 6,079.88
  4. Step 4: Simplify right side
    21,873.74x = 199,461,078.81
  5. Step 5: Solve for x
    x = 199,461,078.81/21,873.74
  6. Step 6: Final answer
    x = 9,118.75

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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.