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Finding the Fourth Proportional to 43,570.62, 65,370.60 and 17,282.88

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Solution

The fourth proportional to 43,570.62, 65,370.60 and 17,282.88 is: 25,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,570.62 : 65,370.60 = 17,282.88 : x
  2. Step 2: Convert to fraction form
    43,570.62/65,370.60 = 17,282.88/x
  3. Step 3: Cross multiply
    43,570.62x = 65,370.60 × 17,282.88
  4. Step 4: Simplify right side
    43,570.62x = 1,129,792,235.33
  5. Step 5: Solve for x
    x = 1,129,792,235.33/43,570.62
  6. Step 6: Final answer
    x = 25,930.14

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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.