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Finding the Fourth Proportional to 48,855.88, 73,234.68 and 19,294.66

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Solution

The fourth proportional to 48,855.88, 73,234.68 and 19,294.66 is: 28,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,855.88 : 73,234.68 = 19,294.66 : x
  2. Step 2: Convert to fraction form
    48,855.88/73,234.68 = 19,294.66/x
  3. Step 3: Cross multiply
    48,855.88x = 73,234.68 × 19,294.66
  4. Step 4: Simplify right side
    48,855.88x = 1,413,038,250.81
  5. Step 5: Solve for x
    x = 1,413,038,250.81/48,855.88
  6. Step 6: Final answer
    x = 28,922.58

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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.