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Finding the Fourth Proportional to 8,808.89, 13,213.28 and 2,569.07

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Solution

The fourth proportional to 8,808.89, 13,213.28 and 2,569.07 is: 3,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.89 : 13,213.28 = 2,569.07 : x
  2. Step 2: Convert to fraction form
    8,808.89/13,213.28 = 2,569.07/x
  3. Step 3: Cross multiply
    8,808.89x = 13,213.28 × 2,569.07
  4. Step 4: Simplify right side
    8,808.89x = 33,945,880.71
  5. Step 5: Solve for x
    x = 33,945,880.71/8,808.89
  6. Step 6: Final answer
    x = 3,853.60

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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.