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Finding the Fourth Proportional to 58,928.46, 81,321.11 and 32,070.99

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Solution

The fourth proportional to 58,928.46, 81,321.11 and 32,070.99 is: 44,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,928.46 : 81,321.11 = 32,070.99 : x
  2. Step 2: Convert to fraction form
    58,928.46/81,321.11 = 32,070.99/x
  3. Step 3: Cross multiply
    58,928.46x = 81,321.11 × 32,070.99
  4. Step 4: Simplify right side
    58,928.46x = 2,608,048,493.43
  5. Step 5: Solve for x
    x = 2,608,048,493.43/58,928.46
  6. Step 6: Final answer
    x = 44,257.87

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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.