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Finding the Fourth Proportional to 20,497.44, 28,260.96 and 17,095.96

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Solution

The fourth proportional to 20,497.44, 28,260.96 and 17,095.96 is: 23,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,497.44 : 28,260.96 = 17,095.96 : x
  2. Step 2: Convert to fraction form
    20,497.44/28,260.96 = 17,095.96/x
  3. Step 3: Cross multiply
    20,497.44x = 28,260.96 × 17,095.96
  4. Step 4: Simplify right side
    20,497.44x = 483,148,241.72
  5. Step 5: Solve for x
    x = 483,148,241.72/20,497.44
  6. Step 6: Final answer
    x = 23,571.15

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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.