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Finding the Fourth Proportional to 11,242.75, 16,874.49 and 5,699.98

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Solution

The fourth proportional to 11,242.75, 16,874.49 and 5,699.98 is: 8,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.75 : 16,874.49 = 5,699.98 : x
  2. Step 2: Convert to fraction form
    11,242.75/16,874.49 = 5,699.98/x
  3. Step 3: Cross multiply
    11,242.75x = 16,874.49 × 5,699.98
  4. Step 4: Simplify right side
    11,242.75x = 96,184,142.64
  5. Step 5: Solve for x
    x = 96,184,142.64/11,242.75
  6. Step 6: Final answer
    x = 8,555.22

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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.