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Finding the Fourth Proportional to 14,408.55, 21,604.19 and 5,633.01

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Solution

The fourth proportional to 14,408.55, 21,604.19 and 5,633.01 is: 8,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.55 : 21,604.19 = 5,633.01 : x
  2. Step 2: Convert to fraction form
    14,408.55/21,604.19 = 5,633.01/x
  3. Step 3: Cross multiply
    14,408.55x = 21,604.19 × 5,633.01
  4. Step 4: Simplify right side
    14,408.55x = 121,696,590.15
  5. Step 5: Solve for x
    x = 121,696,590.15/14,408.55
  6. Step 6: Final answer
    x = 8,446.14

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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.