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Finding the Fourth Proportional to 47,186.63, 70,790.88 and 16,021.88

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Solution

The fourth proportional to 47,186.63, 70,790.88 and 16,021.88 is: 24,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,186.63 : 70,790.88 = 16,021.88 : x
  2. Step 2: Convert to fraction form
    47,186.63/70,790.88 = 16,021.88/x
  3. Step 3: Cross multiply
    47,186.63x = 70,790.88 × 16,021.88
  4. Step 4: Simplify right side
    47,186.63x = 1,134,202,630.50
  5. Step 5: Solve for x
    x = 1,134,202,630.50/47,186.63
  6. Step 6: Final answer
    x = 24,036.53

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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.