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Finding the Fourth Proportional to 47,093.88, 70,546.44 and 28,363.44

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Solution

The fourth proportional to 47,093.88, 70,546.44 and 28,363.44 is: 42,488.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,093.88 : 70,546.44 = 28,363.44 : x
  2. Step 2: Convert to fraction form
    47,093.88/70,546.44 = 28,363.44/x
  3. Step 3: Cross multiply
    47,093.88x = 70,546.44 × 28,363.44
  4. Step 4: Simplify right side
    47,093.88x = 2,000,939,718.15
  5. Step 5: Solve for x
    x = 2,000,939,718.15/47,093.88
  6. Step 6: Final answer
    x = 42,488.32

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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.