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Finding the Fourth Proportional to 8,608.53, 12,914.01 and 2,763.18

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Solution

The fourth proportional to 8,608.53, 12,914.01 and 2,763.18 is: 4,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608.53 : 12,914.01 = 2,763.18 : x
  2. Step 2: Convert to fraction form
    8,608.53/12,914.01 = 2,763.18/x
  3. Step 3: Cross multiply
    8,608.53x = 12,914.01 × 2,763.18
  4. Step 4: Simplify right side
    8,608.53x = 35,683,734.15
  5. Step 5: Solve for x
    x = 35,683,734.15/8,608.53
  6. Step 6: Final answer
    x = 4,145.16

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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.