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Finding the Fourth Proportional to 23,234.52, 34,859.10 and 8,439.50

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Solution

The fourth proportional to 23,234.52, 34,859.10 and 8,439.50 is: 12,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,234.52 : 34,859.10 = 8,439.50 : x
  2. Step 2: Convert to fraction form
    23,234.52/34,859.10 = 8,439.50/x
  3. Step 3: Cross multiply
    23,234.52x = 34,859.10 × 8,439.50
  4. Step 4: Simplify right side
    23,234.52x = 294,193,374.45
  5. Step 5: Solve for x
    x = 294,193,374.45/23,234.52
  6. Step 6: Final answer
    x = 12,661.91

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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.