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Finding the Fourth Proportional to 12,369.72, 18,554.04 and 6,042

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Solution

The fourth proportional to 12,369.72, 18,554.04 and 6,042 is: 9,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.72 : 18,554.04 = 6,042 : x
  2. Step 2: Convert to fraction form
    12,369.72/18,554.04 = 6,042/x
  3. Step 3: Cross multiply
    12,369.72x = 18,554.04 × 6,042
  4. Step 4: Simplify right side
    12,369.72x = 112,103,509.68
  5. Step 5: Solve for x
    x = 112,103,509.68/12,369.72
  6. Step 6: Final answer
    x = 9,062.74

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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.