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Finding the Fourth Proportional to 8,809.35, 13,213.41 and 2,569.11

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Solution

The fourth proportional to 8,809.35, 13,213.41 and 2,569.11 is: 3,853.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.35 : 13,213.41 = 2,569.11 : x
  2. Step 2: Convert to fraction form
    8,809.35/13,213.41 = 2,569.11/x
  3. Step 3: Cross multiply
    8,809.35x = 13,213.41 × 2,569.11
  4. Step 4: Simplify right side
    8,809.35x = 33,946,703.77
  5. Step 5: Solve for x
    x = 33,946,703.77/8,809.35
  6. Step 6: Final answer
    x = 3,853.49

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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.