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Finding the Fourth Proportional to 14,646.88, 21,940.99 and 6,738.55

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Solution

The fourth proportional to 14,646.88, 21,940.99 and 6,738.55 is: 10,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.88 : 21,940.99 = 6,738.55 : x
  2. Step 2: Convert to fraction form
    14,646.88/21,940.99 = 6,738.55/x
  3. Step 3: Cross multiply
    14,646.88x = 21,940.99 × 6,738.55
  4. Step 4: Simplify right side
    14,646.88x = 147,850,458.16
  5. Step 5: Solve for x
    x = 147,850,458.16/14,646.88
  6. Step 6: Final answer
    x = 10,094.33

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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.