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Finding the Fourth Proportional to 38,863, 58,295.02 and 12,208.12

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Solution

The fourth proportional to 38,863, 58,295.02 and 12,208.12 is: 18,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,863 : 58,295.02 = 12,208.12 : x
  2. Step 2: Convert to fraction form
    38,863/58,295.02 = 12,208.12/x
  3. Step 3: Cross multiply
    38,863x = 58,295.02 × 12,208.12
  4. Step 4: Simplify right side
    38,863x = 711,672,599.56
  5. Step 5: Solve for x
    x = 711,672,599.56/38,863
  6. Step 6: Final answer
    x = 18,312.34

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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.