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Finding the Fourth Proportional to 8,627.58, 12,943.53 and 2,704.32

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Solution

The fourth proportional to 8,627.58, 12,943.53 and 2,704.32 is: 4,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.58 : 12,943.53 = 2,704.32 : x
  2. Step 2: Convert to fraction form
    8,627.58/12,943.53 = 2,704.32/x
  3. Step 3: Cross multiply
    8,627.58x = 12,943.53 × 2,704.32
  4. Step 4: Simplify right side
    8,627.58x = 35,003,447.05
  5. Step 5: Solve for x
    x = 35,003,447.05/8,627.58
  6. Step 6: Final answer
    x = 4,057.16

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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.