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Finding the Fourth Proportional to 7,059.72, 10,593 and 2,902.80

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Solution

The fourth proportional to 7,059.72, 10,593 and 2,902.80 is: 4,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.72 : 10,593 = 2,902.80 : x
  2. Step 2: Convert to fraction form
    7,059.72/10,593 = 2,902.80/x
  3. Step 3: Cross multiply
    7,059.72x = 10,593 × 2,902.80
  4. Step 4: Simplify right side
    7,059.72x = 30,749,360.40
  5. Step 5: Solve for x
    x = 30,749,360.40/7,059.72
  6. Step 6: Final answer
    x = 4,355.61

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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.