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Finding the Fourth Proportional to 34,661, 47,832.19 and 18,745.45

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Solution

The fourth proportional to 34,661, 47,832.19 and 18,745.45 is: 25,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,661 : 47,832.19 = 18,745.45 : x
  2. Step 2: Convert to fraction form
    34,661/47,832.19 = 18,745.45/x
  3. Step 3: Cross multiply
    34,661x = 47,832.19 × 18,745.45
  4. Step 4: Simplify right side
    34,661x = 896,635,593.15
  5. Step 5: Solve for x
    x = 896,635,593.15/34,661
  6. Step 6: Final answer
    x = 25,868.72

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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.