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Finding the Fourth Proportional to 17,153.80, 25,730.70 and 5,468.20

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Solution

The fourth proportional to 17,153.80, 25,730.70 and 5,468.20 is: 8,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,153.80 : 25,730.70 = 5,468.20 : x
  2. Step 2: Convert to fraction form
    17,153.80/25,730.70 = 5,468.20/x
  3. Step 3: Cross multiply
    17,153.80x = 25,730.70 × 5,468.20
  4. Step 4: Simplify right side
    17,153.80x = 140,700,613.74
  5. Step 5: Solve for x
    x = 140,700,613.74/17,153.80
  6. Step 6: Final answer
    x = 8,202.30

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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.