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Finding the Fourth Proportional to 18,304.58, 27,438.41 and 7,206.98

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Solution

The fourth proportional to 18,304.58, 27,438.41 and 7,206.98 is: 10,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.58 : 27,438.41 = 7,206.98 : x
  2. Step 2: Convert to fraction form
    18,304.58/27,438.41 = 7,206.98/x
  3. Step 3: Cross multiply
    18,304.58x = 27,438.41 × 7,206.98
  4. Step 4: Simplify right side
    18,304.58x = 197,747,952.93
  5. Step 5: Solve for x
    x = 197,747,952.93/18,304.58
  6. Step 6: Final answer
    x = 10,803.19

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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.