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Finding the Fourth Proportional to 58,941.60, 81,337.92 and 33,099.48

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Solution

The fourth proportional to 58,941.60, 81,337.92 and 33,099.48 is: 45,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,941.60 : 81,337.92 = 33,099.48 : x
  2. Step 2: Convert to fraction form
    58,941.60/81,337.92 = 33,099.48/x
  3. Step 3: Cross multiply
    58,941.60x = 81,337.92 × 33,099.48
  4. Step 4: Simplify right side
    58,941.60x = 2,692,242,856.28
  5. Step 5: Solve for x
    x = 2,692,242,856.28/58,941.60
  6. Step 6: Final answer
    x = 45,676.45

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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.