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Finding the Fourth Proportional to 7,025.11, 9,694.94 and 4,040.94

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Solution

The fourth proportional to 7,025.11, 9,694.94 and 4,040.94 is: 5,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.11 : 9,694.94 = 4,040.94 : x
  2. Step 2: Convert to fraction form
    7,025.11/9,694.94 = 4,040.94/x
  3. Step 3: Cross multiply
    7,025.11x = 9,694.94 × 4,040.94
  4. Step 4: Simplify right side
    7,025.11x = 39,176,650.64
  5. Step 5: Solve for x
    x = 39,176,650.64/7,025.11
  6. Step 6: Final answer
    x = 5,576.66

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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.