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Finding the Fourth Proportional to 6,792.60, 10,189.14 and 2,175

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Solution

The fourth proportional to 6,792.60, 10,189.14 and 2,175 is: 3,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.60 : 10,189.14 = 2,175 : x
  2. Step 2: Convert to fraction form
    6,792.60/10,189.14 = 2,175/x
  3. Step 3: Cross multiply
    6,792.60x = 10,189.14 × 2,175
  4. Step 4: Simplify right side
    6,792.60x = 22,161,379.50
  5. Step 5: Solve for x
    x = 22,161,379.50/6,792.60
  6. Step 6: Final answer
    x = 3,262.58

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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.