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Finding the Fourth Proportional to 14,940.91, 22,400.98 and 6,616.39

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Solution

The fourth proportional to 14,940.91, 22,400.98 and 6,616.39 is: 9,919.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.91 : 22,400.98 = 6,616.39 : x
  2. Step 2: Convert to fraction form
    14,940.91/22,400.98 = 6,616.39/x
  3. Step 3: Cross multiply
    14,940.91x = 22,400.98 × 6,616.39
  4. Step 4: Simplify right side
    14,940.91x = 148,213,620.06
  5. Step 5: Solve for x
    x = 148,213,620.06/14,940.91
  6. Step 6: Final answer
    x = 9,919.99

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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.