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Finding the Fourth Proportional to 8,712.75, 13,069.13 and 3,522.27

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Solution

The fourth proportional to 8,712.75, 13,069.13 and 3,522.27 is: 5,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.75 : 13,069.13 = 3,522.27 : x
  2. Step 2: Convert to fraction form
    8,712.75/13,069.13 = 3,522.27/x
  3. Step 3: Cross multiply
    8,712.75x = 13,069.13 × 3,522.27
  4. Step 4: Simplify right side
    8,712.75x = 46,033,004.53
  5. Step 5: Solve for x
    x = 46,033,004.53/8,712.75
  6. Step 6: Final answer
    x = 5,283.41

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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.