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Finding the Fourth Proportional to 7,600.34, 11,379.51 and 3,894.59

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Solution

The fourth proportional to 7,600.34, 11,379.51 and 3,894.59 is: 5,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.34 : 11,379.51 = 3,894.59 : x
  2. Step 2: Convert to fraction form
    7,600.34/11,379.51 = 3,894.59/x
  3. Step 3: Cross multiply
    7,600.34x = 11,379.51 × 3,894.59
  4. Step 4: Simplify right side
    7,600.34x = 44,318,525.85
  5. Step 5: Solve for x
    x = 44,318,525.85/7,600.34
  6. Step 6: Final answer
    x = 5,831.12

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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.