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Finding the Fourth Proportional to 17,015.42, 25,515.92 and 6,483.80

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Solution

The fourth proportional to 17,015.42, 25,515.92 and 6,483.80 is: 9,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,015.42 : 25,515.92 = 6,483.80 : x
  2. Step 2: Convert to fraction form
    17,015.42/25,515.92 = 6,483.80/x
  3. Step 3: Cross multiply
    17,015.42x = 25,515.92 × 6,483.80
  4. Step 4: Simplify right side
    17,015.42x = 165,440,122.10
  5. Step 5: Solve for x
    x = 165,440,122.10/17,015.42
  6. Step 6: Final answer
    x = 9,722.95

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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.