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Finding the Fourth Proportional to 19,367.87, 26,553.59 and 19,017.95

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Solution

The fourth proportional to 19,367.87, 26,553.59 and 19,017.95 is: 26,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.87 : 26,553.59 = 19,017.95 : x
  2. Step 2: Convert to fraction form
    19,367.87/26,553.59 = 19,017.95/x
  3. Step 3: Cross multiply
    19,367.87x = 26,553.59 × 19,017.95
  4. Step 4: Simplify right side
    19,367.87x = 504,994,690.40
  5. Step 5: Solve for x
    x = 504,994,690.40/19,367.87
  6. Step 6: Final answer
    x = 26,073.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.