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Finding the Fourth Proportional to 48,900.30, 73,363.41 and 19,310.94

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Solution

The fourth proportional to 48,900.30, 73,363.41 and 19,310.94 is: 28,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,900.30 : 73,363.41 = 19,310.94 : x
  2. Step 2: Convert to fraction form
    48,900.30/73,363.41 = 19,310.94/x
  3. Step 3: Cross multiply
    48,900.30x = 73,363.41 × 19,310.94
  4. Step 4: Simplify right side
    48,900.30x = 1,416,716,408.71
  5. Step 5: Solve for x
    x = 1,416,716,408.71/48,900.30
  6. Step 6: Final answer
    x = 28,971.53

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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.