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Finding the Fourth Proportional to 8,630.10, 12,841.79 and 8,600.94

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Solution

The fourth proportional to 8,630.10, 12,841.79 and 8,600.94 is: 12,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.10 : 12,841.79 = 8,600.94 : x
  2. Step 2: Convert to fraction form
    8,630.10/12,841.79 = 8,600.94/x
  3. Step 3: Cross multiply
    8,630.10x = 12,841.79 × 8,600.94
  4. Step 4: Simplify right side
    8,630.10x = 110,451,422.28
  5. Step 5: Solve for x
    x = 110,451,422.28/8,630.10
  6. Step 6: Final answer
    x = 12,798.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.