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Finding the Fourth Proportional to 17,113.90, 25,674.90 and 8,795.20

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Solution

The fourth proportional to 17,113.90, 25,674.90 and 8,795.20 is: 13,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,113.90 : 25,674.90 = 8,795.20 : x
  2. Step 2: Convert to fraction form
    17,113.90/25,674.90 = 8,795.20/x
  3. Step 3: Cross multiply
    17,113.90x = 25,674.90 × 8,795.20
  4. Step 4: Simplify right side
    17,113.90x = 225,815,880.48
  5. Step 5: Solve for x
    x = 225,815,880.48/17,113.90
  6. Step 6: Final answer
    x = 13,194.88

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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.