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Finding the Fourth Proportional to 9,295.65, 12,824.87 and 5,940.43

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Solution

The fourth proportional to 9,295.65, 12,824.87 and 5,940.43 is: 8,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295.65 : 12,824.87 = 5,940.43 : x
  2. Step 2: Convert to fraction form
    9,295.65/12,824.87 = 5,940.43/x
  3. Step 3: Cross multiply
    9,295.65x = 12,824.87 × 5,940.43
  4. Step 4: Simplify right side
    9,295.65x = 76,185,242.49
  5. Step 5: Solve for x
    x = 76,185,242.49/9,295.65
  6. Step 6: Final answer
    x = 8,195.80

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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.