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Finding the Fourth Proportional to 16,391.25, 24,586.89 and 4,079.25

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Solution

The fourth proportional to 16,391.25, 24,586.89 and 4,079.25 is: 6,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391.25 : 24,586.89 = 4,079.25 : x
  2. Step 2: Convert to fraction form
    16,391.25/24,586.89 = 4,079.25/x
  3. Step 3: Cross multiply
    16,391.25x = 24,586.89 × 4,079.25
  4. Step 4: Simplify right side
    16,391.25x = 100,296,071.03
  5. Step 5: Solve for x
    x = 100,296,071.03/16,391.25
  6. Step 6: Final answer
    x = 6,118.88

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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.