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Finding the Fourth Proportional to 18,334.25, 27,505.37 and 10,440.50

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Solution

The fourth proportional to 18,334.25, 27,505.37 and 10,440.50 is: 15,663.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.25 : 27,505.37 = 10,440.50 : x
  2. Step 2: Convert to fraction form
    18,334.25/27,505.37 = 10,440.50/x
  3. Step 3: Cross multiply
    18,334.25x = 27,505.37 × 10,440.50
  4. Step 4: Simplify right side
    18,334.25x = 287,169,704.06
  5. Step 5: Solve for x
    x = 287,169,704.06/18,334.25
  6. Step 6: Final answer
    x = 15,663.02

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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.