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Finding the Fourth Proportional to 47,351.60, 71,027.40 and 29,855.60

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Solution

The fourth proportional to 47,351.60, 71,027.40 and 29,855.60 is: 44,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,351.60 : 71,027.40 = 29,855.60 : x
  2. Step 2: Convert to fraction form
    47,351.60/71,027.40 = 29,855.60/x
  3. Step 3: Cross multiply
    47,351.60x = 71,027.40 × 29,855.60
  4. Step 4: Simplify right side
    47,351.60x = 2,120,565,643.44
  5. Step 5: Solve for x
    x = 2,120,565,643.44/47,351.60
  6. Step 6: Final answer
    x = 44,783.40

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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.