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Finding the Fourth Proportional to 58,879.89, 81,252.51 and 33,388.58

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Solution

The fourth proportional to 58,879.89, 81,252.51 and 33,388.58 is: 46,075.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,879.89 : 81,252.51 = 33,388.58 : x
  2. Step 2: Convert to fraction form
    58,879.89/81,252.51 = 33,388.58/x
  3. Step 3: Cross multiply
    58,879.89x = 81,252.51 × 33,388.58
  4. Step 4: Simplify right side
    58,879.89x = 2,712,905,524.07
  5. Step 5: Solve for x
    x = 2,712,905,524.07/58,879.89
  6. Step 6: Final answer
    x = 46,075.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.