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Finding the Fourth Proportional to 30,059.58, 45,076.82 and 8,992.02

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Solution

The fourth proportional to 30,059.58, 45,076.82 and 8,992.02 is: 13,484.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,059.58 : 45,076.82 = 8,992.02 : x
  2. Step 2: Convert to fraction form
    30,059.58/45,076.82 = 8,992.02/x
  3. Step 3: Cross multiply
    30,059.58x = 45,076.82 × 8,992.02
  4. Step 4: Simplify right side
    30,059.58x = 405,331,622.02
  5. Step 5: Solve for x
    x = 405,331,622.02/30,059.58
  6. Step 6: Final answer
    x = 13,484.27

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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.