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Finding the Fourth Proportional to 36,614.92, 54,927.30 and 12,916.90

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Solution

The fourth proportional to 36,614.92, 54,927.30 and 12,916.90 is: 19,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,614.92 : 54,927.30 = 12,916.90 : x
  2. Step 2: Convert to fraction form
    36,614.92/54,927.30 = 12,916.90/x
  3. Step 3: Cross multiply
    36,614.92x = 54,927.30 × 12,916.90
  4. Step 4: Simplify right side
    36,614.92x = 709,490,441.37
  5. Step 5: Solve for x
    x = 709,490,441.37/36,614.92
  6. Step 6: Final answer
    x = 19,377.09

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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.