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Finding the Fourth Proportional to 74,428.43, 111,577.04 and 27,648.50

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Solution

The fourth proportional to 74,428.43, 111,577.04 and 27,648.50 is: 41,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,428.43 : 111,577.04 = 27,648.50 : x
  2. Step 2: Convert to fraction form
    74,428.43/111,577.04 = 27,648.50/x
  3. Step 3: Cross multiply
    74,428.43x = 111,577.04 × 27,648.50
  4. Step 4: Simplify right side
    74,428.43x = 3,084,937,652.20
  5. Step 5: Solve for x
    x = 3,084,937,652.20/74,428.43
  6. Step 6: Final answer
    x = 41,448.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.