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Finding the Fourth Proportional to 26,992.98, 40,494.22 and 9,219.46

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Solution

The fourth proportional to 26,992.98, 40,494.22 and 9,219.46 is: 13,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,992.98 : 40,494.22 = 9,219.46 : x
  2. Step 2: Convert to fraction form
    26,992.98/40,494.22 = 9,219.46/x
  3. Step 3: Cross multiply
    26,992.98x = 40,494.22 × 9,219.46
  4. Step 4: Simplify right side
    26,992.98x = 373,334,841.52
  5. Step 5: Solve for x
    x = 373,334,841.52/26,992.98
  6. Step 6: Final answer
    x = 13,830.81

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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.