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Finding the Fourth Proportional to 17,069.80, 25,604.70 and 16,851.10

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Solution

The fourth proportional to 17,069.80, 25,604.70 and 16,851.10 is: 25,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,069.80 : 25,604.70 = 16,851.10 : x
  2. Step 2: Convert to fraction form
    17,069.80/25,604.70 = 16,851.10/x
  3. Step 3: Cross multiply
    17,069.80x = 25,604.70 × 16,851.10
  4. Step 4: Simplify right side
    17,069.80x = 431,467,360.17
  5. Step 5: Solve for x
    x = 431,467,360.17/17,069.80
  6. Step 6: Final answer
    x = 25,276.65

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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.