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Finding the Fourth Proportional to 17,141.40, 25,683.30 and 8,357.40

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Solution

The fourth proportional to 17,141.40, 25,683.30 and 8,357.40 is: 12,522.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,141.40 : 25,683.30 = 8,357.40 : x
  2. Step 2: Convert to fraction form
    17,141.40/25,683.30 = 8,357.40/x
  3. Step 3: Cross multiply
    17,141.40x = 25,683.30 × 8,357.40
  4. Step 4: Simplify right side
    17,141.40x = 214,645,611.42
  5. Step 5: Solve for x
    x = 214,645,611.42/17,141.40
  6. Step 6: Final answer
    x = 12,522.06

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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.