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Finding the Fourth Proportional to 14,994, 20,692.44 and 8,280.60

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Solution

The fourth proportional to 14,994, 20,692.44 and 8,280.60 is: 11,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,994 : 20,692.44 = 8,280.60 : x
  2. Step 2: Convert to fraction form
    14,994/20,692.44 = 8,280.60/x
  3. Step 3: Cross multiply
    14,994x = 20,692.44 × 8,280.60
  4. Step 4: Simplify right side
    14,994x = 171,345,818.66
  5. Step 5: Solve for x
    x = 171,345,818.66/14,994
  6. Step 6: Final answer
    x = 11,427.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.