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Finding the Fourth Proportional to 16,833.90, 23,611.20 and 16,833.90

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Solution

The fourth proportional to 16,833.90, 23,611.20 and 16,833.90 is: 23,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,833.90 : 23,611.20 = 16,833.90 : x
  2. Step 2: Convert to fraction form
    16,833.90/23,611.20 = 16,833.90/x
  3. Step 3: Cross multiply
    16,833.90x = 23,611.20 × 16,833.90
  4. Step 4: Simplify right side
    16,833.90x = 397,468,579.68
  5. Step 5: Solve for x
    x = 397,468,579.68/16,833.90
  6. Step 6: Final answer
    x = 23,611.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.