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Finding the Fourth Proportional to 47,092.35, 70,636.70 and 15,927.60

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Solution

The fourth proportional to 47,092.35, 70,636.70 and 15,927.60 is: 23,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,092.35 : 70,636.70 = 15,927.60 : x
  2. Step 2: Convert to fraction form
    47,092.35/70,636.70 = 15,927.60/x
  3. Step 3: Cross multiply
    47,092.35x = 70,636.70 × 15,927.60
  4. Step 4: Simplify right side
    47,092.35x = 1,125,073,023.28
  5. Step 5: Solve for x
    x = 1,125,073,023.28/47,092.35
  6. Step 6: Final answer
    x = 23,890.78

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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.