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Finding the Fourth Proportional to 8,392.98, 12,588.60 and 2,846.17

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Solution

The fourth proportional to 8,392.98, 12,588.60 and 2,846.17 is: 4,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.98 : 12,588.60 = 2,846.17 : x
  2. Step 2: Convert to fraction form
    8,392.98/12,588.60 = 2,846.17/x
  3. Step 3: Cross multiply
    8,392.98x = 12,588.60 × 2,846.17
  4. Step 4: Simplify right side
    8,392.98x = 35,829,295.66
  5. Step 5: Solve for x
    x = 35,829,295.66/8,392.98
  6. Step 6: Final answer
    x = 4,268.96

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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.