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Finding the Fourth Proportional to 47,656.53, 71,476.11 and 18,064.62

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Solution

The fourth proportional to 47,656.53, 71,476.11 and 18,064.62 is: 27,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,656.53 : 71,476.11 = 18,064.62 : x
  2. Step 2: Convert to fraction form
    47,656.53/71,476.11 = 18,064.62/x
  3. Step 3: Cross multiply
    47,656.53x = 71,476.11 × 18,064.62
  4. Step 4: Simplify right side
    47,656.53x = 1,291,188,766.23
  5. Step 5: Solve for x
    x = 1,291,188,766.23/47,656.53
  6. Step 6: Final answer
    x = 27,093.64

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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.