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Finding the Fourth Proportional to 18,466.86, 27,656.14 and 10,651.98

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Solution

The fourth proportional to 18,466.86, 27,656.14 and 10,651.98 is: 15,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.86 : 27,656.14 = 10,651.98 : x
  2. Step 2: Convert to fraction form
    18,466.86/27,656.14 = 10,651.98/x
  3. Step 3: Cross multiply
    18,466.86x = 27,656.14 × 10,651.98
  4. Step 4: Simplify right side
    18,466.86x = 294,592,650.16
  5. Step 5: Solve for x
    x = 294,592,650.16/18,466.86
  6. Step 6: Final answer
    x = 15,952.50

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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.