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Finding the Fourth Proportional to 16,661.32, 24,991.96 and 4,349.32

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Solution

The fourth proportional to 16,661.32, 24,991.96 and 4,349.32 is: 6,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.32 : 24,991.96 = 4,349.32 : x
  2. Step 2: Convert to fraction form
    16,661.32/24,991.96 = 4,349.32/x
  3. Step 3: Cross multiply
    16,661.32x = 24,991.96 × 4,349.32
  4. Step 4: Simplify right side
    16,661.32x = 108,698,031.47
  5. Step 5: Solve for x
    x = 108,698,031.47/16,661.32
  6. Step 6: Final answer
    x = 6,523.97

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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.