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Finding the Fourth Proportional to 8,334.09, 12,497.49 and 7,520.04

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Solution

The fourth proportional to 8,334.09, 12,497.49 and 7,520.04 is: 11,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.09 : 12,497.49 = 7,520.04 : x
  2. Step 2: Convert to fraction form
    8,334.09/12,497.49 = 7,520.04/x
  3. Step 3: Cross multiply
    8,334.09x = 12,497.49 × 7,520.04
  4. Step 4: Simplify right side
    8,334.09x = 93,981,624.70
  5. Step 5: Solve for x
    x = 93,981,624.70/8,334.09
  6. Step 6: Final answer
    x = 11,276.77

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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.