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Finding the Fourth Proportional to 23,141.76, 34,705.47 and 8,348.76

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Solution

The fourth proportional to 23,141.76, 34,705.47 and 8,348.76 is: 12,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,141.76 : 34,705.47 = 8,348.76 : x
  2. Step 2: Convert to fraction form
    23,141.76/34,705.47 = 8,348.76/x
  3. Step 3: Cross multiply
    23,141.76x = 34,705.47 × 8,348.76
  4. Step 4: Simplify right side
    23,141.76x = 289,747,424.45
  5. Step 5: Solve for x
    x = 289,747,424.45/23,141.76
  6. Step 6: Final answer
    x = 12,520.54

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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.