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Finding the Fourth Proportional to 62,611.43, 93,916.14 and 19,916.25

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Solution

The fourth proportional to 62,611.43, 93,916.14 and 19,916.25 is: 29,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,611.43 : 93,916.14 = 19,916.25 : x
  2. Step 2: Convert to fraction form
    62,611.43/93,916.14 = 19,916.25/x
  3. Step 3: Cross multiply
    62,611.43x = 93,916.14 × 19,916.25
  4. Step 4: Simplify right side
    62,611.43x = 1,870,457,800.85
  5. Step 5: Solve for x
    x = 1,870,457,800.85/62,611.43
  6. Step 6: Final answer
    x = 29,874.06

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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.