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Finding the Fourth Proportional to 17,058.40, 25,570 and 9,250.72

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Solution

The fourth proportional to 17,058.40, 25,570 and 9,250.72 is: 13,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,058.40 : 25,570 = 9,250.72 : x
  2. Step 2: Convert to fraction form
    17,058.40/25,570 = 9,250.72/x
  3. Step 3: Cross multiply
    17,058.40x = 25,570 × 9,250.72
  4. Step 4: Simplify right side
    17,058.40x = 236,540,910.40
  5. Step 5: Solve for x
    x = 236,540,910.40/17,058.40
  6. Step 6: Final answer
    x = 13,866.54

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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.