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Finding the Fourth Proportional to 12,441.98, 18,611.70 and 11,347.10

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Solution

The fourth proportional to 12,441.98, 18,611.70 and 11,347.10 is: 16,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.98 : 18,611.70 = 11,347.10 : x
  2. Step 2: Convert to fraction form
    12,441.98/18,611.70 = 11,347.10/x
  3. Step 3: Cross multiply
    12,441.98x = 18,611.70 × 11,347.10
  4. Step 4: Simplify right side
    12,441.98x = 211,188,821.07
  5. Step 5: Solve for x
    x = 211,188,821.07/12,441.98
  6. Step 6: Final answer
    x = 16,973.89

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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.