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Finding the Fourth Proportional to 14,784.98, 20,408.01 and 8,501.54

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Solution

The fourth proportional to 14,784.98, 20,408.01 and 8,501.54 is: 11,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.98 : 20,408.01 = 8,501.54 : x
  2. Step 2: Convert to fraction form
    14,784.98/20,408.01 = 8,501.54/x
  3. Step 3: Cross multiply
    14,784.98x = 20,408.01 × 8,501.54
  4. Step 4: Simplify right side
    14,784.98x = 173,499,513.34
  5. Step 5: Solve for x
    x = 173,499,513.34/14,784.98
  6. Step 6: Final answer
    x = 11,734.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.