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Finding the Fourth Proportional to 58,405.56, 80,599.68 and 33,255

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Solution

The fourth proportional to 58,405.56, 80,599.68 and 33,255 is: 45,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,405.56 : 80,599.68 = 33,255 : x
  2. Step 2: Convert to fraction form
    58,405.56/80,599.68 = 33,255/x
  3. Step 3: Cross multiply
    58,405.56x = 80,599.68 × 33,255
  4. Step 4: Simplify right side
    58,405.56x = 2,680,342,358.40
  5. Step 5: Solve for x
    x = 2,680,342,358.40/58,405.56
  6. Step 6: Final answer
    x = 45,891.90

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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.