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Finding the Fourth Proportional to 8,679.70, 13,035.66 and 4,522.58

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Solution

The fourth proportional to 8,679.70, 13,035.66 and 4,522.58 is: 6,792.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.70 : 13,035.66 = 4,522.58 : x
  2. Step 2: Convert to fraction form
    8,679.70/13,035.66 = 4,522.58/x
  3. Step 3: Cross multiply
    8,679.70x = 13,035.66 × 4,522.58
  4. Step 4: Simplify right side
    8,679.70x = 58,954,815.20
  5. Step 5: Solve for x
    x = 58,954,815.20/8,679.70
  6. Step 6: Final answer
    x = 6,792.26

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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.