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Finding the Fourth Proportional to 62,511.75, 93,735.73 and 20,364.73

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Solution

The fourth proportional to 62,511.75, 93,735.73 and 20,364.73 is: 30,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,511.75 : 93,735.73 = 20,364.73 : x
  2. Step 2: Convert to fraction form
    62,511.75/93,735.73 = 20,364.73/x
  3. Step 3: Cross multiply
    62,511.75x = 93,735.73 × 20,364.73
  4. Step 4: Simplify right side
    62,511.75x = 1,908,902,832.80
  5. Step 5: Solve for x
    x = 1,908,902,832.80/62,511.75
  6. Step 6: Final answer
    x = 30,536.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.