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Finding the Fourth Proportional to 33,313.71, 49,970.52 and 8,689.71

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Solution

The fourth proportional to 33,313.71, 49,970.52 and 8,689.71 is: 13,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,313.71 : 49,970.52 = 8,689.71 : x
  2. Step 2: Convert to fraction form
    33,313.71/49,970.52 = 8,689.71/x
  3. Step 3: Cross multiply
    33,313.71x = 49,970.52 × 8,689.71
  4. Step 4: Simplify right side
    33,313.71x = 434,229,327.35
  5. Step 5: Solve for x
    x = 434,229,327.35/33,313.71
  6. Step 6: Final answer
    x = 13,034.55

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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.