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Finding the Fourth Proportional to 14,511.56, 21,768.12 and 4,124.12

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Solution

The fourth proportional to 14,511.56, 21,768.12 and 4,124.12 is: 6,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.56 : 21,768.12 = 4,124.12 : x
  2. Step 2: Convert to fraction form
    14,511.56/21,768.12 = 4,124.12/x
  3. Step 3: Cross multiply
    14,511.56x = 21,768.12 × 4,124.12
  4. Step 4: Simplify right side
    14,511.56x = 89,774,339.05
  5. Step 5: Solve for x
    x = 89,774,339.05/14,511.56
  6. Step 6: Final answer
    x = 6,186.40

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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.