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Finding the Fourth Proportional to 41,953.87, 62,872.02 and 20,873.93

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Solution

The fourth proportional to 41,953.87, 62,872.02 and 20,873.93 is: 31,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,953.87 : 62,872.02 = 20,873.93 : x
  2. Step 2: Convert to fraction form
    41,953.87/62,872.02 = 20,873.93/x
  3. Step 3: Cross multiply
    41,953.87x = 62,872.02 × 20,873.93
  4. Step 4: Simplify right side
    41,953.87x = 1,312,385,830.08
  5. Step 5: Solve for x
    x = 1,312,385,830.08/41,953.87
  6. Step 6: Final answer
    x = 31,281.64

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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.