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Finding the Fourth Proportional to 29,278.68, 43,879.14 and 16,804.68

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Solution

The fourth proportional to 29,278.68, 43,879.14 and 16,804.68 is: 25,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.68 : 43,879.14 = 16,804.68 : x
  2. Step 2: Convert to fraction form
    29,278.68/43,879.14 = 16,804.68/x
  3. Step 3: Cross multiply
    29,278.68x = 43,879.14 × 16,804.68
  4. Step 4: Simplify right side
    29,278.68x = 737,374,906.38
  5. Step 5: Solve for x
    x = 737,374,906.38/29,278.68
  6. Step 6: Final answer
    x = 25,184.70

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1.5x scale

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.