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Finding the Fourth Proportional to 8,920.35, 13,373.22 and 3,370.54

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Solution

The fourth proportional to 8,920.35, 13,373.22 and 3,370.54 is: 5,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.35 : 13,373.22 = 3,370.54 : x
  2. Step 2: Convert to fraction form
    8,920.35/13,373.22 = 3,370.54/x
  3. Step 3: Cross multiply
    8,920.35x = 13,373.22 × 3,370.54
  4. Step 4: Simplify right side
    8,920.35x = 45,074,972.94
  5. Step 5: Solve for x
    x = 45,074,972.94/8,920.35
  6. Step 6: Final answer
    x = 5,053.05

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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.