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Finding the Fourth Proportional to 8,269.94, 12,391.94 and 7,032.26

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Solution

The fourth proportional to 8,269.94, 12,391.94 and 7,032.26 is: 10,537.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.94 : 12,391.94 = 7,032.26 : x
  2. Step 2: Convert to fraction form
    8,269.94/12,391.94 = 7,032.26/x
  3. Step 3: Cross multiply
    8,269.94x = 12,391.94 × 7,032.26
  4. Step 4: Simplify right side
    8,269.94x = 87,143,343.98
  5. Step 5: Solve for x
    x = 87,143,343.98/8,269.94
  6. Step 6: Final answer
    x = 10,537.36

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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.