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Finding the Fourth Proportional to 46,479, 69,729.44 and 15,314.25

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Solution

The fourth proportional to 46,479, 69,729.44 and 15,314.25 is: 22,974.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,479 : 69,729.44 = 15,314.25 : x
  2. Step 2: Convert to fraction form
    46,479/69,729.44 = 15,314.25/x
  3. Step 3: Cross multiply
    46,479x = 69,729.44 × 15,314.25
  4. Step 4: Simplify right side
    46,479x = 1,067,853,999.95
  5. Step 5: Solve for x
    x = 1,067,853,999.95/46,479
  6. Step 6: Final answer
    x = 22,974.98

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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.