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Finding the Fourth Proportional to 25,893.08, 38,840.48 and 7,173.31

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Solution

The fourth proportional to 25,893.08, 38,840.48 and 7,173.31 is: 10,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,893.08 : 38,840.48 = 7,173.31 : x
  2. Step 2: Convert to fraction form
    25,893.08/38,840.48 = 7,173.31/x
  3. Step 3: Cross multiply
    25,893.08x = 38,840.48 × 7,173.31
  4. Step 4: Simplify right side
    25,893.08x = 278,614,609.39
  5. Step 5: Solve for x
    x = 278,614,609.39/25,893.08
  6. Step 6: Final answer
    x = 10,760.20

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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.