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Finding the Fourth Proportional to 62,483.70, 93,725.55 and 20,930.70

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Solution

The fourth proportional to 62,483.70, 93,725.55 and 20,930.70 is: 31,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,483.70 : 93,725.55 = 20,930.70 : x
  2. Step 2: Convert to fraction form
    62,483.70/93,725.55 = 20,930.70/x
  3. Step 3: Cross multiply
    62,483.70x = 93,725.55 × 20,930.70
  4. Step 4: Simplify right side
    62,483.70x = 1,961,741,369.39
  5. Step 5: Solve for x
    x = 1,961,741,369.39/62,483.70
  6. Step 6: Final answer
    x = 31,396.05

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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.