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Finding the Fourth Proportional to 16,653.90, 23,286.30 and 16,653.90

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Solution

The fourth proportional to 16,653.90, 23,286.30 and 16,653.90 is: 23,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.90 : 23,286.30 = 16,653.90 : x
  2. Step 2: Convert to fraction form
    16,653.90/23,286.30 = 16,653.90/x
  3. Step 3: Cross multiply
    16,653.90x = 23,286.30 × 16,653.90
  4. Step 4: Simplify right side
    16,653.90x = 387,807,711.57
  5. Step 5: Solve for x
    x = 387,807,711.57/16,653.90
  6. Step 6: Final answer
    x = 23,286.30

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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.