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Finding the Fourth Proportional to 8,704.52, 13,058.78 and 2,861.32

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Solution

The fourth proportional to 8,704.52, 13,058.78 and 2,861.32 is: 4,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.52 : 13,058.78 = 2,861.32 : x
  2. Step 2: Convert to fraction form
    8,704.52/13,058.78 = 2,861.32/x
  3. Step 3: Cross multiply
    8,704.52x = 13,058.78 × 2,861.32
  4. Step 4: Simplify right side
    8,704.52x = 37,365,348.39
  5. Step 5: Solve for x
    x = 37,365,348.39/8,704.52
  6. Step 6: Final answer
    x = 4,292.64

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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.