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Finding the Fourth Proportional to 29,040.50, 40,069.71 and 17,099.48

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Solution

The fourth proportional to 29,040.50, 40,069.71 and 17,099.48 is: 23,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.50 : 40,069.71 = 17,099.48 : x
  2. Step 2: Convert to fraction form
    29,040.50/40,069.71 = 17,099.48/x
  3. Step 3: Cross multiply
    29,040.50x = 40,069.71 × 17,099.48
  4. Step 4: Simplify right side
    29,040.50x = 685,171,204.75
  5. Step 5: Solve for x
    x = 685,171,204.75/29,040.50
  6. Step 6: Final answer
    x = 23,593.64

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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.