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Finding the Fourth Proportional to 17,120.97, 25,674.98 and 7,264.89

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Solution

The fourth proportional to 17,120.97, 25,674.98 and 7,264.89 is: 10,894.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.97 : 25,674.98 = 7,264.89 : x
  2. Step 2: Convert to fraction form
    17,120.97/25,674.98 = 7,264.89/x
  3. Step 3: Cross multiply
    17,120.97x = 25,674.98 × 7,264.89
  4. Step 4: Simplify right side
    17,120.97x = 186,525,869.13
  5. Step 5: Solve for x
    x = 186,525,869.13/17,120.97
  6. Step 6: Final answer
    x = 10,894.59

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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.