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Finding the Fourth Proportional to 34,881.44, 48,119.47 and 20,724.26

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Solution

The fourth proportional to 34,881.44, 48,119.47 and 20,724.26 is: 28,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,881.44 : 48,119.47 = 20,724.26 : x
  2. Step 2: Convert to fraction form
    34,881.44/48,119.47 = 20,724.26/x
  3. Step 3: Cross multiply
    34,881.44x = 48,119.47 × 20,724.26
  4. Step 4: Simplify right side
    34,881.44x = 997,240,114.93
  5. Step 5: Solve for x
    x = 997,240,114.93/34,881.44
  6. Step 6: Final answer
    x = 28,589.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.