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Finding the Fourth Proportional to 53,902.81, 80,849.07 and 25,433.14

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Solution

The fourth proportional to 53,902.81, 80,849.07 and 25,433.14 is: 38,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,902.81 : 80,849.07 = 25,433.14 : x
  2. Step 2: Convert to fraction form
    53,902.81/80,849.07 = 25,433.14/x
  3. Step 3: Cross multiply
    53,902.81x = 80,849.07 × 25,433.14
  4. Step 4: Simplify right side
    53,902.81x = 2,056,245,716.18
  5. Step 5: Solve for x
    x = 2,056,245,716.18/53,902.81
  6. Step 6: Final answer
    x = 38,147.28

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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.