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Finding the Fourth Proportional to 11,768.81, 16,241.34 and 6,733.04

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Solution

The fourth proportional to 11,768.81, 16,241.34 and 6,733.04 is: 9,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.81 : 16,241.34 = 6,733.04 : x
  2. Step 2: Convert to fraction form
    11,768.81/16,241.34 = 6,733.04/x
  3. Step 3: Cross multiply
    11,768.81x = 16,241.34 × 6,733.04
  4. Step 4: Simplify right side
    11,768.81x = 109,353,510.67
  5. Step 5: Solve for x
    x = 109,353,510.67/11,768.81
  6. Step 6: Final answer
    x = 9,291.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.