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Finding the Fourth Proportional to 47,365.62, 70,980.68 and 34,786.94

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Solution

The fourth proportional to 47,365.62, 70,980.68 and 34,786.94 is: 52,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,365.62 : 70,980.68 = 34,786.94 : x
  2. Step 2: Convert to fraction form
    47,365.62/70,980.68 = 34,786.94/x
  3. Step 3: Cross multiply
    47,365.62x = 70,980.68 × 34,786.94
  4. Step 4: Simplify right side
    47,365.62x = 2,469,200,656.32
  5. Step 5: Solve for x
    x = 2,469,200,656.32/47,365.62
  6. Step 6: Final answer
    x = 52,130.65

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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.