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Finding the Fourth Proportional to 58,961.64, 81,366.30 and 32,103.84

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Solution

The fourth proportional to 58,961.64, 81,366.30 and 32,103.84 is: 44,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,961.64 : 81,366.30 = 32,103.84 : x
  2. Step 2: Convert to fraction form
    58,961.64/81,366.30 = 32,103.84/x
  3. Step 3: Cross multiply
    58,961.64x = 81,366.30 × 32,103.84
  4. Step 4: Simplify right side
    58,961.64x = 2,612,170,676.59
  5. Step 5: Solve for x
    x = 2,612,170,676.59/58,961.64
  6. Step 6: Final answer
    x = 44,302.88

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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.