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Finding the Fourth Proportional to 17,144.88, 25,675.38 and 15,482.76

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Solution

The fourth proportional to 17,144.88, 25,675.38 and 15,482.76 is: 23,186.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144.88 : 25,675.38 = 15,482.76 : x
  2. Step 2: Convert to fraction form
    17,144.88/25,675.38 = 15,482.76/x
  3. Step 3: Cross multiply
    17,144.88x = 25,675.38 × 15,482.76
  4. Step 4: Simplify right side
    17,144.88x = 397,525,746.45
  5. Step 5: Solve for x
    x = 397,525,746.45/17,144.88
  6. Step 6: Final answer
    x = 23,186.27

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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.