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Finding the Fourth Proportional to 29,121.05, 43,672.09 and 9,394.99

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Solution

The fourth proportional to 29,121.05, 43,672.09 and 9,394.99 is: 14,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121.05 : 43,672.09 = 9,394.99 : x
  2. Step 2: Convert to fraction form
    29,121.05/43,672.09 = 9,394.99/x
  3. Step 3: Cross multiply
    29,121.05x = 43,672.09 × 9,394.99
  4. Step 4: Simplify right side
    29,121.05x = 410,298,848.83
  5. Step 5: Solve for x
    x = 410,298,848.83/29,121.05
  6. Step 6: Final answer
    x = 14,089.42

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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.