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Finding the Fourth Proportional to 11,843.70, 17,765.55 and 7,466.10

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Solution

The fourth proportional to 11,843.70, 17,765.55 and 7,466.10 is: 11,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.70 : 17,765.55 = 7,466.10 : x
  2. Step 2: Convert to fraction form
    11,843.70/17,765.55 = 7,466.10/x
  3. Step 3: Cross multiply
    11,843.70x = 17,765.55 × 7,466.10
  4. Step 4: Simplify right side
    11,843.70x = 132,639,372.86
  5. Step 5: Solve for x
    x = 132,639,372.86/11,843.70
  6. Step 6: Final answer
    x = 11,199.15

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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.