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Finding the Fourth Proportional to 40,532.06, 60,745.80 and 16,812.80

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Solution

The fourth proportional to 40,532.06, 60,745.80 and 16,812.80 is: 25,197.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,532.06 : 60,745.80 = 16,812.80 : x
  2. Step 2: Convert to fraction form
    40,532.06/60,745.80 = 16,812.80/x
  3. Step 3: Cross multiply
    40,532.06x = 60,745.80 × 16,812.80
  4. Step 4: Simplify right side
    40,532.06x = 1,021,306,986.24
  5. Step 5: Solve for x
    x = 1,021,306,986.24/40,532.06
  6. Step 6: Final answer
    x = 25,197.51

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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.