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Finding the Fourth Proportional to 48,898.45, 73,372.28 and 36,443.49

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Solution

The fourth proportional to 48,898.45, 73,372.28 and 36,443.49 is: 54,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,898.45 : 73,372.28 = 36,443.49 : x
  2. Step 2: Convert to fraction form
    48,898.45/73,372.28 = 36,443.49/x
  3. Step 3: Cross multiply
    48,898.45x = 73,372.28 × 36,443.49
  4. Step 4: Simplify right side
    48,898.45x = 2,673,941,700.09
  5. Step 5: Solve for x
    x = 2,673,941,700.09/48,898.45
  6. Step 6: Final answer
    x = 54,683.57

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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.