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Finding the Fourth Proportional to 60,614.96, 90,936.74 and 19,061.96

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Solution

The fourth proportional to 60,614.96, 90,936.74 and 19,061.96 is: 28,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,614.96 : 90,936.74 = 19,061.96 : x
  2. Step 2: Convert to fraction form
    60,614.96/90,936.74 = 19,061.96/x
  3. Step 3: Cross multiply
    60,614.96x = 90,936.74 × 19,061.96
  4. Step 4: Simplify right side
    60,614.96x = 1,733,432,500.41
  5. Step 5: Solve for x
    x = 1,733,432,500.41/60,614.96
  6. Step 6: Final answer
    x = 28,597.44

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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.