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Finding the Fourth Proportional to 12,026.95, 18,036.74 and 4,233.94

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Solution

The fourth proportional to 12,026.95, 18,036.74 and 4,233.94 is: 6,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.95 : 18,036.74 = 4,233.94 : x
  2. Step 2: Convert to fraction form
    12,026.95/18,036.74 = 4,233.94/x
  3. Step 3: Cross multiply
    12,026.95x = 18,036.74 × 4,233.94
  4. Step 4: Simplify right side
    12,026.95x = 76,366,440.45
  5. Step 5: Solve for x
    x = 76,366,440.45/12,026.95
  6. Step 6: Final answer
    x = 6,349.61

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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.