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Finding the Fourth Proportional to 8,771.33, 12,083.23 and 7,508.33

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Solution

The fourth proportional to 8,771.33, 12,083.23 and 7,508.33 is: 10,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.33 : 12,083.23 = 7,508.33 : x
  2. Step 2: Convert to fraction form
    8,771.33/12,083.23 = 7,508.33/x
  3. Step 3: Cross multiply
    8,771.33x = 12,083.23 × 7,508.33
  4. Step 4: Simplify right side
    8,771.33x = 90,724,799.12
  5. Step 5: Solve for x
    x = 90,724,799.12/8,771.33
  6. Step 6: Final answer
    x = 10,343.34

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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.