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Finding the Fourth Proportional to 18,615.69, 27,927.45 and 5,466.96

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Solution

The fourth proportional to 18,615.69, 27,927.45 and 5,466.96 is: 8,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615.69 : 27,927.45 = 5,466.96 : x
  2. Step 2: Convert to fraction form
    18,615.69/27,927.45 = 5,466.96/x
  3. Step 3: Cross multiply
    18,615.69x = 27,927.45 × 5,466.96
  4. Step 4: Simplify right side
    18,615.69x = 152,678,252.05
  5. Step 5: Solve for x
    x = 152,678,252.05/18,615.69
  6. Step 6: Final answer
    x = 8,201.59

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1.5x scale

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.