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Finding the Fourth Proportional to 34,441.44, 51,662.40 and 13,664.88

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Solution

The fourth proportional to 34,441.44, 51,662.40 and 13,664.88 is: 20,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,441.44 : 51,662.40 = 13,664.88 : x
  2. Step 2: Convert to fraction form
    34,441.44/51,662.40 = 13,664.88/x
  3. Step 3: Cross multiply
    34,441.44x = 51,662.40 × 13,664.88
  4. Step 4: Simplify right side
    34,441.44x = 705,960,496.51
  5. Step 5: Solve for x
    x = 705,960,496.51/34,441.44
  6. Step 6: Final answer
    x = 20,497.42

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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.