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Finding the Fourth Proportional to 20,047.83, 30,073.58 and 5,256.69

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Solution

The fourth proportional to 20,047.83, 30,073.58 and 5,256.69 is: 7,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.83 : 30,073.58 = 5,256.69 : x
  2. Step 2: Convert to fraction form
    20,047.83/30,073.58 = 5,256.69/x
  3. Step 3: Cross multiply
    20,047.83x = 30,073.58 × 5,256.69
  4. Step 4: Simplify right side
    20,047.83x = 158,087,460.97
  5. Step 5: Solve for x
    x = 158,087,460.97/20,047.83
  6. Step 6: Final answer
    x = 7,885.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.