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Finding the Fourth Proportional to 24,978.34, 34,469.04 and 13,647.66

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Solution

The fourth proportional to 24,978.34, 34,469.04 and 13,647.66 is: 18,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,978.34 : 34,469.04 = 13,647.66 : x
  2. Step 2: Convert to fraction form
    24,978.34/34,469.04 = 13,647.66/x
  3. Step 3: Cross multiply
    24,978.34x = 34,469.04 × 13,647.66
  4. Step 4: Simplify right side
    24,978.34x = 470,421,738.45
  5. Step 5: Solve for x
    x = 470,421,738.45/24,978.34
  6. Step 6: Final answer
    x = 18,833.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.