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Finding the Fourth Proportional to 62,567.78, 93,786.39 and 30,958.12

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Solution

The fourth proportional to 62,567.78, 93,786.39 and 30,958.12 is: 46,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,567.78 : 93,786.39 = 30,958.12 : x
  2. Step 2: Convert to fraction form
    62,567.78/93,786.39 = 30,958.12/x
  3. Step 3: Cross multiply
    62,567.78x = 93,786.39 × 30,958.12
  4. Step 4: Simplify right side
    62,567.78x = 2,903,450,081.52
  5. Step 5: Solve for x
    x = 2,903,450,081.52/62,567.78
  6. Step 6: Final answer
    x = 46,404.87

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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.