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Finding the Fourth Proportional to 16,385.45, 24,578.16 and 4,073.45

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Solution

The fourth proportional to 16,385.45, 24,578.16 and 4,073.45 is: 6,110.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.45 : 24,578.16 = 4,073.45 : x
  2. Step 2: Convert to fraction form
    16,385.45/24,578.16 = 4,073.45/x
  3. Step 3: Cross multiply
    16,385.45x = 24,578.16 × 4,073.45
  4. Step 4: Simplify right side
    16,385.45x = 100,117,782.96
  5. Step 5: Solve for x
    x = 100,117,782.96/16,385.45
  6. Step 6: Final answer
    x = 6,110.17

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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.