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Finding the Fourth Proportional to 46,533.44, 69,759.84 and 18,813.44

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Solution

The fourth proportional to 46,533.44, 69,759.84 and 18,813.44 is: 28,203.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,533.44 : 69,759.84 = 18,813.44 : x
  2. Step 2: Convert to fraction form
    46,533.44/69,759.84 = 18,813.44/x
  3. Step 3: Cross multiply
    46,533.44x = 69,759.84 × 18,813.44
  4. Step 4: Simplify right side
    46,533.44x = 1,312,422,564.25
  5. Step 5: Solve for x
    x = 1,312,422,564.25/46,533.44
  6. Step 6: Final answer
    x = 28,203.86

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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.