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Finding the Fourth Proportional to 8,794.71, 13,188.87 and 2,553.03

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Solution

The fourth proportional to 8,794.71, 13,188.87 and 2,553.03 is: 3,828.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.71 : 13,188.87 = 2,553.03 : x
  2. Step 2: Convert to fraction form
    8,794.71/13,188.87 = 2,553.03/x
  3. Step 3: Cross multiply
    8,794.71x = 13,188.87 × 2,553.03
  4. Step 4: Simplify right side
    8,794.71x = 33,671,580.78
  5. Step 5: Solve for x
    x = 33,671,580.78/8,794.71
  6. Step 6: Final answer
    x = 3,828.62

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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.