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Finding the Fourth Proportional to 7,381.66, 11,074.65 and 2,383.92

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Solution

The fourth proportional to 7,381.66, 11,074.65 and 2,383.92 is: 3,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.66 : 11,074.65 = 2,383.92 : x
  2. Step 2: Convert to fraction form
    7,381.66/11,074.65 = 2,383.92/x
  3. Step 3: Cross multiply
    7,381.66x = 11,074.65 × 2,383.92
  4. Step 4: Simplify right side
    7,381.66x = 26,401,079.63
  5. Step 5: Solve for x
    x = 26,401,079.63/7,381.66
  6. Step 6: Final answer
    x = 3,576.58

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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.