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Finding the Fourth Proportional to 13,760.58, 20,599.82 and 13,525.48

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Solution

The fourth proportional to 13,760.58, 20,599.82 and 13,525.48 is: 20,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.58 : 20,599.82 = 13,525.48 : x
  2. Step 2: Convert to fraction form
    13,760.58/20,599.82 = 13,525.48/x
  3. Step 3: Cross multiply
    13,760.58x = 20,599.82 × 13,525.48
  4. Step 4: Simplify right side
    13,760.58x = 278,622,462.26
  5. Step 5: Solve for x
    x = 278,622,462.26/13,760.58
  6. Step 6: Final answer
    x = 20,247.87

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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.