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Finding the Fourth Proportional to 23,339.70, 34,922.07 and 12,958.74

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Solution

The fourth proportional to 23,339.70, 34,922.07 and 12,958.74 is: 19,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,339.70 : 34,922.07 = 12,958.74 : x
  2. Step 2: Convert to fraction form
    23,339.70/34,922.07 = 12,958.74/x
  3. Step 3: Cross multiply
    23,339.70x = 34,922.07 × 12,958.74
  4. Step 4: Simplify right side
    23,339.70x = 452,546,025.39
  5. Step 5: Solve for x
    x = 452,546,025.39/23,339.70
  6. Step 6: Final answer
    x = 19,389.54

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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.