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Finding the Fourth Proportional to 58,905.82, 81,259.05 and 35,015.50

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Solution

The fourth proportional to 58,905.82, 81,259.05 and 35,015.50 is: 48,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,905.82 : 81,259.05 = 35,015.50 : x
  2. Step 2: Convert to fraction form
    58,905.82/81,259.05 = 35,015.50/x
  3. Step 3: Cross multiply
    58,905.82x = 81,259.05 × 35,015.50
  4. Step 4: Simplify right side
    58,905.82x = 2,845,326,265.28
  5. Step 5: Solve for x
    x = 2,845,326,265.28/58,905.82
  6. Step 6: Final answer
    x = 48,302.97

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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.