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Finding the Fourth Proportional to 16,556.70, 24,828.45 and 5,460.30

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Solution

The fourth proportional to 16,556.70, 24,828.45 and 5,460.30 is: 8,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,556.70 : 24,828.45 = 5,460.30 : x
  2. Step 2: Convert to fraction form
    16,556.70/24,828.45 = 5,460.30/x
  3. Step 3: Cross multiply
    16,556.70x = 24,828.45 × 5,460.30
  4. Step 4: Simplify right side
    16,556.70x = 135,570,785.54
  5. Step 5: Solve for x
    x = 135,570,785.54/16,556.70
  6. Step 6: Final answer
    x = 8,188.27

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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.