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Finding the Fourth Proportional to 9,995.67, 14,991.42 and 3,755.43

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Solution

The fourth proportional to 9,995.67, 14,991.42 and 3,755.43 is: 5,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.67 : 14,991.42 = 3,755.43 : x
  2. Step 2: Convert to fraction form
    9,995.67/14,991.42 = 3,755.43/x
  3. Step 3: Cross multiply
    9,995.67x = 14,991.42 × 3,755.43
  4. Step 4: Simplify right side
    9,995.67x = 56,299,228.41
  5. Step 5: Solve for x
    x = 56,299,228.41/9,995.67
  6. Step 6: Final answer
    x = 5,632.36

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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.