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Finding the Fourth Proportional to 47,064.82, 70,611.04 and 18,970.44

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Solution

The fourth proportional to 47,064.82, 70,611.04 and 18,970.44 is: 28,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,064.82 : 70,611.04 = 18,970.44 : x
  2. Step 2: Convert to fraction form
    47,064.82/70,611.04 = 18,970.44/x
  3. Step 3: Cross multiply
    47,064.82x = 70,611.04 × 18,970.44
  4. Step 4: Simplify right side
    47,064.82x = 1,339,522,497.66
  5. Step 5: Solve for x
    x = 1,339,522,497.66/47,064.82
  6. Step 6: Final answer
    x = 28,461.23

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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.