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Finding the Fourth Proportional to 7,919.76, 11,883.06 and 3,762.69

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Solution

The fourth proportional to 7,919.76, 11,883.06 and 3,762.69 is: 5,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.76 : 11,883.06 = 3,762.69 : x
  2. Step 2: Convert to fraction form
    7,919.76/11,883.06 = 3,762.69/x
  3. Step 3: Cross multiply
    7,919.76x = 11,883.06 × 3,762.69
  4. Step 4: Simplify right side
    7,919.76x = 44,712,271.03
  5. Step 5: Solve for x
    x = 44,712,271.03/7,919.76
  6. Step 6: Final answer
    x = 5,645.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.