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Finding the Fourth Proportional to 60,658.72, 90,997.98 and 19,096

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Solution

The fourth proportional to 60,658.72, 90,997.98 and 19,096 is: 28,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,658.72 : 90,997.98 = 19,096 : x
  2. Step 2: Convert to fraction form
    60,658.72/90,997.98 = 19,096/x
  3. Step 3: Cross multiply
    60,658.72x = 90,997.98 × 19,096
  4. Step 4: Simplify right side
    60,658.72x = 1,737,697,426.08
  5. Step 5: Solve for x
    x = 1,737,697,426.08/60,658.72
  6. Step 6: Final answer
    x = 28,647.12

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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.