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Finding the Fourth Proportional to 12,036.93, 18,048.78 and 3,714.66

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Solution

The fourth proportional to 12,036.93, 18,048.78 and 3,714.66 is: 5,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.93 : 18,048.78 = 3,714.66 : x
  2. Step 2: Convert to fraction form
    12,036.93/18,048.78 = 3,714.66/x
  3. Step 3: Cross multiply
    12,036.93x = 18,048.78 × 3,714.66
  4. Step 4: Simplify right side
    12,036.93x = 67,045,081.11
  5. Step 5: Solve for x
    x = 67,045,081.11/12,036.93
  6. Step 6: Final answer
    x = 5,569.95

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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.