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Finding the Fourth Proportional to 46,804.88, 64,584.60 and 27,938

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Solution

The fourth proportional to 46,804.88, 64,584.60 and 27,938 is: 38,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,804.88 : 64,584.60 = 27,938 : x
  2. Step 2: Convert to fraction form
    46,804.88/64,584.60 = 27,938/x
  3. Step 3: Cross multiply
    46,804.88x = 64,584.60 × 27,938
  4. Step 4: Simplify right side
    46,804.88x = 1,804,364,554.80
  5. Step 5: Solve for x
    x = 1,804,364,554.80/46,804.88
  6. Step 6: Final answer
    x = 38,550.78

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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.