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Finding the Fourth Proportional to 8,940.59, 12,337.43 and 4,961.70

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Solution

The fourth proportional to 8,940.59, 12,337.43 and 4,961.70 is: 6,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.59 : 12,337.43 = 4,961.70 : x
  2. Step 2: Convert to fraction form
    8,940.59/12,337.43 = 4,961.70/x
  3. Step 3: Cross multiply
    8,940.59x = 12,337.43 × 4,961.70
  4. Step 4: Simplify right side
    8,940.59x = 61,214,638.84
  5. Step 5: Solve for x
    x = 61,214,638.84/8,940.59
  6. Step 6: Final answer
    x = 6,846.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.