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Finding the Fourth Proportional to 17,276.44, 25,854.18 and 12,883

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Solution

The fourth proportional to 17,276.44, 25,854.18 and 12,883 is: 19,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,276.44 : 25,854.18 = 12,883 : x
  2. Step 2: Convert to fraction form
    17,276.44/25,854.18 = 12,883/x
  3. Step 3: Cross multiply
    17,276.44x = 25,854.18 × 12,883
  4. Step 4: Simplify right side
    17,276.44x = 333,079,400.94
  5. Step 5: Solve for x
    x = 333,079,400.94/17,276.44
  6. Step 6: Final answer
    x = 19,279.40

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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.