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Finding the Fourth Proportional to 14,324.55, 21,494.67 and 5,559.81

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Solution

The fourth proportional to 14,324.55, 21,494.67 and 5,559.81 is: 8,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,324.55 : 21,494.67 = 5,559.81 : x
  2. Step 2: Convert to fraction form
    14,324.55/21,494.67 = 5,559.81/x
  3. Step 3: Cross multiply
    14,324.55x = 21,494.67 × 5,559.81
  4. Step 4: Simplify right side
    14,324.55x = 119,506,281.21
  5. Step 5: Solve for x
    x = 119,506,281.21/14,324.55
  6. Step 6: Final answer
    x = 8,342.76

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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.