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Finding the Fourth Proportional to 8,576.94, 11,835.24 and 5,040.20

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Solution

The fourth proportional to 8,576.94, 11,835.24 and 5,040.20 is: 6,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,576.94 : 11,835.24 = 5,040.20 : x
  2. Step 2: Convert to fraction form
    8,576.94/11,835.24 = 5,040.20/x
  3. Step 3: Cross multiply
    8,576.94x = 11,835.24 × 5,040.20
  4. Step 4: Simplify right side
    8,576.94x = 59,651,976.65
  5. Step 5: Solve for x
    x = 59,651,976.65/8,576.94
  6. Step 6: Final answer
    x = 6,954.93

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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.