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Finding the Fourth Proportional to 50,430.51, 75,656.60 and 25,143.79

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Solution

The fourth proportional to 50,430.51, 75,656.60 and 25,143.79 is: 37,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,430.51 : 75,656.60 = 25,143.79 : x
  2. Step 2: Convert to fraction form
    50,430.51/75,656.60 = 25,143.79/x
  3. Step 3: Cross multiply
    50,430.51x = 75,656.60 × 25,143.79
  4. Step 4: Simplify right side
    50,430.51x = 1,902,293,662.51
  5. Step 5: Solve for x
    x = 1,902,293,662.51/50,430.51
  6. Step 6: Final answer
    x = 37,721.09

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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.