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Finding the Fourth Proportional to 47,293, 70,940.58 and 14,012.44

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Solution

The fourth proportional to 47,293, 70,940.58 and 14,012.44 is: 21,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,293 : 70,940.58 = 14,012.44 : x
  2. Step 2: Convert to fraction form
    47,293/70,940.58 = 14,012.44/x
  3. Step 3: Cross multiply
    47,293x = 70,940.58 × 14,012.44
  4. Step 4: Simplify right side
    47,293x = 994,050,620.82
  5. Step 5: Solve for x
    x = 994,050,620.82/47,293
  6. Step 6: Final answer
    x = 21,018.98

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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.