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Finding the Fourth Proportional to 41,959.70, 62,924.88 and 12,369.68

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Solution

The fourth proportional to 41,959.70, 62,924.88 and 12,369.68 is: 18,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,959.70 : 62,924.88 = 12,369.68 : x
  2. Step 2: Convert to fraction form
    41,959.70/62,924.88 = 12,369.68/x
  3. Step 3: Cross multiply
    41,959.70x = 62,924.88 × 12,369.68
  4. Step 4: Simplify right side
    41,959.70x = 778,360,629.64
  5. Step 5: Solve for x
    x = 778,360,629.64/41,959.70
  6. Step 6: Final answer
    x = 18,550.20

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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.