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Finding the Fourth Proportional to 26,993.98, 40,495.72 and 9,220.46

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Solution

The fourth proportional to 26,993.98, 40,495.72 and 9,220.46 is: 13,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,993.98 : 40,495.72 = 9,220.46 : x
  2. Step 2: Convert to fraction form
    26,993.98/40,495.72 = 9,220.46/x
  3. Step 3: Cross multiply
    26,993.98x = 40,495.72 × 9,220.46
  4. Step 4: Simplify right side
    26,993.98x = 373,389,166.43
  5. Step 5: Solve for x
    x = 373,389,166.43/26,993.98
  6. Step 6: Final answer
    x = 13,832.31

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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.