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Finding the Fourth Proportional to 14,758.77, 22,135.04 and 5,403.21

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Solution

The fourth proportional to 14,758.77, 22,135.04 and 5,403.21 is: 8,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.77 : 22,135.04 = 5,403.21 : x
  2. Step 2: Convert to fraction form
    14,758.77/22,135.04 = 5,403.21/x
  3. Step 3: Cross multiply
    14,758.77x = 22,135.04 × 5,403.21
  4. Step 4: Simplify right side
    14,758.77x = 119,600,131.79
  5. Step 5: Solve for x
    x = 119,600,131.79/14,758.77
  6. Step 6: Final answer
    x = 8,103.67

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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.