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Finding the Fourth Proportional to 16,385.75, 24,578.63 and 4,073.75

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Solution

The fourth proportional to 16,385.75, 24,578.63 and 4,073.75 is: 6,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.75 : 24,578.63 = 4,073.75 : x
  2. Step 2: Convert to fraction form
    16,385.75/24,578.63 = 4,073.75/x
  3. Step 3: Cross multiply
    16,385.75x = 24,578.63 × 4,073.75
  4. Step 4: Simplify right side
    16,385.75x = 100,127,173.59
  5. Step 5: Solve for x
    x = 100,127,173.59/16,385.75
  6. Step 6: Final answer
    x = 6,110.63

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Similar ratio
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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.