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Finding the Fourth Proportional to 17,940.59, 24,753.42 and 10,865.64

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Solution

The fourth proportional to 17,940.59, 24,753.42 and 10,865.64 is: 14,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.59 : 24,753.42 = 10,865.64 : x
  2. Step 2: Convert to fraction form
    17,940.59/24,753.42 = 10,865.64/x
  3. Step 3: Cross multiply
    17,940.59x = 24,753.42 × 10,865.64
  4. Step 4: Simplify right side
    17,940.59x = 268,961,750.49
  5. Step 5: Solve for x
    x = 268,961,750.49/17,940.59
  6. Step 6: Final answer
    x = 14,991.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.