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Finding the Fourth Proportional to 8,234.70, 11,370.43 and 7,604.99

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Solution

The fourth proportional to 8,234.70, 11,370.43 and 7,604.99 is: 10,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.70 : 11,370.43 = 7,604.99 : x
  2. Step 2: Convert to fraction form
    8,234.70/11,370.43 = 7,604.99/x
  3. Step 3: Cross multiply
    8,234.70x = 11,370.43 × 7,604.99
  4. Step 4: Simplify right side
    8,234.70x = 86,472,006.45
  5. Step 5: Solve for x
    x = 86,472,006.45/8,234.70
  6. Step 6: Final answer
    x = 10,500.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.