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Finding the Fourth Proportional to 13,361.98, 20,023.80 and 7,506.27

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Solution

The fourth proportional to 13,361.98, 20,023.80 and 7,506.27 is: 11,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.98 : 20,023.80 = 7,506.27 : x
  2. Step 2: Convert to fraction form
    13,361.98/20,023.80 = 7,506.27/x
  3. Step 3: Cross multiply
    13,361.98x = 20,023.80 × 7,506.27
  4. Step 4: Simplify right side
    13,361.98x = 150,304,049.23
  5. Step 5: Solve for x
    x = 150,304,049.23/13,361.98
  6. Step 6: Final answer
    x = 11,248.64

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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.