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Finding the Fourth Proportional to 58,761, 88,141.50 and 17,208.36

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Solution

The fourth proportional to 58,761, 88,141.50 and 17,208.36 is: 25,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,761 : 88,141.50 = 17,208.36 : x
  2. Step 2: Convert to fraction form
    58,761/88,141.50 = 17,208.36/x
  3. Step 3: Cross multiply
    58,761x = 88,141.50 × 17,208.36
  4. Step 4: Simplify right side
    58,761x = 1,516,770,662.94
  5. Step 5: Solve for x
    x = 1,516,770,662.94/58,761
  6. Step 6: Final answer
    x = 25,812.54

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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.