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Finding the Fourth Proportional to 44,943.99, 67,415.45 and 11,661.09

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Solution

The fourth proportional to 44,943.99, 67,415.45 and 11,661.09 is: 17,491.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,943.99 : 67,415.45 = 11,661.09 : x
  2. Step 2: Convert to fraction form
    44,943.99/67,415.45 = 11,661.09/x
  3. Step 3: Cross multiply
    44,943.99x = 67,415.45 × 11,661.09
  4. Step 4: Simplify right side
    44,943.99x = 786,137,571.54
  5. Step 5: Solve for x
    x = 786,137,571.54/44,943.99
  6. Step 6: Final answer
    x = 17,491.49

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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.