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Finding the Fourth Proportional to 30,608.03, 45,813.62 and 15,796.78

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Solution

The fourth proportional to 30,608.03, 45,813.62 and 15,796.78 is: 23,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608.03 : 45,813.62 = 15,796.78 : x
  2. Step 2: Convert to fraction form
    30,608.03/45,813.62 = 15,796.78/x
  3. Step 3: Cross multiply
    30,608.03x = 45,813.62 × 15,796.78
  4. Step 4: Simplify right side
    30,608.03x = 723,707,447.08
  5. Step 5: Solve for x
    x = 723,707,447.08/30,608.03
  6. Step 6: Final answer
    x = 23,644.37

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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.