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Finding the Fourth Proportional to 29,672.90, 44,516.55 and 20,924.90

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Solution

The fourth proportional to 29,672.90, 44,516.55 and 20,924.90 is: 31,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,672.90 : 44,516.55 = 20,924.90 : x
  2. Step 2: Convert to fraction form
    29,672.90/44,516.55 = 20,924.90/x
  3. Step 3: Cross multiply
    29,672.90x = 44,516.55 × 20,924.90
  4. Step 4: Simplify right side
    29,672.90x = 931,504,357.10
  5. Step 5: Solve for x
    x = 931,504,357.10/29,672.90
  6. Step 6: Final answer
    x = 31,392.43

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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.