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Finding the Fourth Proportional to 17,262.88, 25,894.25 and 5,417.57

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Solution

The fourth proportional to 17,262.88, 25,894.25 and 5,417.57 is: 8,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,262.88 : 25,894.25 = 5,417.57 : x
  2. Step 2: Convert to fraction form
    17,262.88/25,894.25 = 5,417.57/x
  3. Step 3: Cross multiply
    17,262.88x = 25,894.25 × 5,417.57
  4. Step 4: Simplify right side
    17,262.88x = 140,283,969.94
  5. Step 5: Solve for x
    x = 140,283,969.94/17,262.88
  6. Step 6: Final answer
    x = 8,126.34

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1.5x scale

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.