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Finding the Fourth Proportional to 8,584.60, 12,876.90 and 3,044.20

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Solution

The fourth proportional to 8,584.60, 12,876.90 and 3,044.20 is: 4,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.60 : 12,876.90 = 3,044.20 : x
  2. Step 2: Convert to fraction form
    8,584.60/12,876.90 = 3,044.20/x
  3. Step 3: Cross multiply
    8,584.60x = 12,876.90 × 3,044.20
  4. Step 4: Simplify right side
    8,584.60x = 39,199,858.98
  5. Step 5: Solve for x
    x = 39,199,858.98/8,584.60
  6. Step 6: Final answer
    x = 4,566.30

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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.