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Finding the Fourth Proportional to 27,919.33, 38,530.16 and 15,984.46

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Solution

The fourth proportional to 27,919.33, 38,530.16 and 15,984.46 is: 22,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.33 : 38,530.16 = 15,984.46 : x
  2. Step 2: Convert to fraction form
    27,919.33/38,530.16 = 15,984.46/x
  3. Step 3: Cross multiply
    27,919.33x = 38,530.16 × 15,984.46
  4. Step 4: Simplify right side
    27,919.33x = 615,883,892.91
  5. Step 5: Solve for x
    x = 615,883,892.91/27,919.33
  6. Step 6: Final answer
    x = 22,059.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.