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Finding the Fourth Proportional to 5,372.92, 8,059.02 and 1,477

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Solution

The fourth proportional to 5,372.92, 8,059.02 and 1,477 is: 2,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.92 : 8,059.02 = 1,477 : x
  2. Step 2: Convert to fraction form
    5,372.92/8,059.02 = 1,477/x
  3. Step 3: Cross multiply
    5,372.92x = 8,059.02 × 1,477
  4. Step 4: Simplify right side
    5,372.92x = 11,903,172.54
  5. Step 5: Solve for x
    x = 11,903,172.54/5,372.92
  6. Step 6: Final answer
    x = 2,215.40

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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.