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Finding the Fourth Proportional to 58,755.76, 81,063.63 and 33,259.60

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Solution

The fourth proportional to 58,755.76, 81,063.63 and 33,259.60 is: 45,887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,755.76 : 81,063.63 = 33,259.60 : x
  2. Step 2: Convert to fraction form
    58,755.76/81,063.63 = 33,259.60/x
  3. Step 3: Cross multiply
    58,755.76x = 81,063.63 × 33,259.60
  4. Step 4: Simplify right side
    58,755.76x = 2,696,143,908.35
  5. Step 5: Solve for x
    x = 2,696,143,908.35/58,755.76
  6. Step 6: Final answer
    x = 45,887.31

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Why These Related Problems?

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