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Finding the Fourth Proportional to 30,855.51, 46,283.25 and 7,481.96

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Solution

The fourth proportional to 30,855.51, 46,283.25 and 7,481.96 is: 11,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.51 : 46,283.25 = 7,481.96 : x
  2. Step 2: Convert to fraction form
    30,855.51/46,283.25 = 7,481.96/x
  3. Step 3: Cross multiply
    30,855.51x = 46,283.25 × 7,481.96
  4. Step 4: Simplify right side
    30,855.51x = 346,289,193.75
  5. Step 5: Solve for x
    x = 346,289,193.75/30,855.51
  6. Step 6: Final answer
    x = 11,222.93

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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.