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Finding the Fourth Proportional to 7,925.03, 11,895.24 and 4,229.86

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Solution

The fourth proportional to 7,925.03, 11,895.24 and 4,229.86 is: 6,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.03 : 11,895.24 = 4,229.86 : x
  2. Step 2: Convert to fraction form
    7,925.03/11,895.24 = 4,229.86/x
  3. Step 3: Cross multiply
    7,925.03x = 11,895.24 × 4,229.86
  4. Step 4: Simplify right side
    7,925.03x = 50,315,199.87
  5. Step 5: Solve for x
    x = 50,315,199.87/7,925.03
  6. Step 6: Final answer
    x = 6,348.90

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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.