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Finding the Fourth Proportional to 60,614.56, 90,919.72 and 18,492.94

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Solution

The fourth proportional to 60,614.56, 90,919.72 and 18,492.94 is: 27,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,614.56 : 90,919.72 = 18,492.94 : x
  2. Step 2: Convert to fraction form
    60,614.56/90,919.72 = 18,492.94/x
  3. Step 3: Cross multiply
    60,614.56x = 90,919.72 × 18,492.94
  4. Step 4: Simplify right side
    60,614.56x = 1,681,372,834.31
  5. Step 5: Solve for x
    x = 1,681,372,834.31/60,614.56
  6. Step 6: Final answer
    x = 27,738.76

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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.