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Finding the Fourth Proportional to 8,503.38, 11,740.39 and 7,604.33

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Solution

The fourth proportional to 8,503.38, 11,740.39 and 7,604.33 is: 10,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.38 : 11,740.39 = 7,604.33 : x
  2. Step 2: Convert to fraction form
    8,503.38/11,740.39 = 7,604.33/x
  3. Step 3: Cross multiply
    8,503.38x = 11,740.39 × 7,604.33
  4. Step 4: Simplify right side
    8,503.38x = 89,277,722.18
  5. Step 5: Solve for x
    x = 89,277,722.18/8,503.38
  6. Step 6: Final answer
    x = 10,499.09

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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.