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Finding the Fourth Proportional to 16,834.20, 25,251.30 and 6,970.20

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Solution

The fourth proportional to 16,834.20, 25,251.30 and 6,970.20 is: 10,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,834.20 : 25,251.30 = 6,970.20 : x
  2. Step 2: Convert to fraction form
    16,834.20/25,251.30 = 6,970.20/x
  3. Step 3: Cross multiply
    16,834.20x = 25,251.30 × 6,970.20
  4. Step 4: Simplify right side
    16,834.20x = 176,006,611.26
  5. Step 5: Solve for x
    x = 176,006,611.26/16,834.20
  6. Step 6: Final answer
    x = 10,455.30

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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.