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Finding the Fourth Proportional to 62,604.72, 93,910.50 and 15,858

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Solution

The fourth proportional to 62,604.72, 93,910.50 and 15,858 is: 23,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,604.72 : 93,910.50 = 15,858 : x
  2. Step 2: Convert to fraction form
    62,604.72/93,910.50 = 15,858/x
  3. Step 3: Cross multiply
    62,604.72x = 93,910.50 × 15,858
  4. Step 4: Simplify right side
    62,604.72x = 1,489,232,709
  5. Step 5: Solve for x
    x = 1,489,232,709/62,604.72
  6. Step 6: Final answer
    x = 23,787.87

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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.