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Finding the Fourth Proportional to 29,161.42, 43,749.08 and 9,439.98

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Solution

The fourth proportional to 29,161.42, 43,749.08 and 9,439.98 is: 14,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,161.42 : 43,749.08 = 9,439.98 : x
  2. Step 2: Convert to fraction form
    29,161.42/43,749.08 = 9,439.98/x
  3. Step 3: Cross multiply
    29,161.42x = 43,749.08 × 9,439.98
  4. Step 4: Simplify right side
    29,161.42x = 412,990,440.22
  5. Step 5: Solve for x
    x = 412,990,440.22/29,161.42
  6. Step 6: Final answer
    x = 14,162.22

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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.