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Finding the Fourth Proportional to 14,092.60, 19,447.78 and 7,804.98

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Solution

The fourth proportional to 14,092.60, 19,447.78 and 7,804.98 is: 10,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.60 : 19,447.78 = 7,804.98 : x
  2. Step 2: Convert to fraction form
    14,092.60/19,447.78 = 7,804.98/x
  3. Step 3: Cross multiply
    14,092.60x = 19,447.78 × 7,804.98
  4. Step 4: Simplify right side
    14,092.60x = 151,789,533.94
  5. Step 5: Solve for x
    x = 151,789,533.94/14,092.60
  6. Step 6: Final answer
    x = 10,770.87

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1.5x scale

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.