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Finding the Fourth Proportional to 48,953.60, 73,408.80 and 19,361.60

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Solution

The fourth proportional to 48,953.60, 73,408.80 and 19,361.60 is: 29,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,953.60 : 73,408.80 = 19,361.60 : x
  2. Step 2: Convert to fraction form
    48,953.60/73,408.80 = 19,361.60/x
  3. Step 3: Cross multiply
    48,953.60x = 73,408.80 × 19,361.60
  4. Step 4: Simplify right side
    48,953.60x = 1,421,311,822.08
  5. Step 5: Solve for x
    x = 1,421,311,822.08/48,953.60
  6. Step 6: Final answer
    x = 29,033.86

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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.