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Finding the Fourth Proportional to 74,447.25, 111,605.25 and 27,667.32

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Solution

The fourth proportional to 74,447.25, 111,605.25 and 27,667.32 is: 41,476.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,447.25 : 111,605.25 = 27,667.32 : x
  2. Step 2: Convert to fraction form
    74,447.25/111,605.25 = 27,667.32/x
  3. Step 3: Cross multiply
    74,447.25x = 111,605.25 × 27,667.32
  4. Step 4: Simplify right side
    74,447.25x = 3,087,818,165.43
  5. Step 5: Solve for x
    x = 3,087,818,165.43/74,447.25
  6. Step 6: Final answer
    x = 41,476.59

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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.