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Finding the Fourth Proportional to 17,838.95, 26,758.49 and 5,992.39

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Solution

The fourth proportional to 17,838.95, 26,758.49 and 5,992.39 is: 8,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.95 : 26,758.49 = 5,992.39 : x
  2. Step 2: Convert to fraction form
    17,838.95/26,758.49 = 5,992.39/x
  3. Step 3: Cross multiply
    17,838.95x = 26,758.49 × 5,992.39
  4. Step 4: Simplify right side
    17,838.95x = 160,347,255.98
  5. Step 5: Solve for x
    x = 160,347,255.98/17,838.95
  6. Step 6: Final answer
    x = 8,988.60

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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.