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Finding the Fourth Proportional to 48,491.38, 72,736.93 and 15,211.41

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Solution

The fourth proportional to 48,491.38, 72,736.93 and 15,211.41 is: 22,817.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,491.38 : 72,736.93 = 15,211.41 : x
  2. Step 2: Convert to fraction form
    48,491.38/72,736.93 = 15,211.41/x
  3. Step 3: Cross multiply
    48,491.38x = 72,736.93 × 15,211.41
  4. Step 4: Simplify right side
    48,491.38x = 1,106,431,264.37
  5. Step 5: Solve for x
    x = 1,106,431,264.37/48,491.38
  6. Step 6: Final answer
    x = 22,817.07

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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.