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Finding the Fourth Proportional to 8,450.67, 11,660.91 and 4,673.34

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Solution

The fourth proportional to 8,450.67, 11,660.91 and 4,673.34 is: 6,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.67 : 11,660.91 = 4,673.34 : x
  2. Step 2: Convert to fraction form
    8,450.67/11,660.91 = 4,673.34/x
  3. Step 3: Cross multiply
    8,450.67x = 11,660.91 × 4,673.34
  4. Step 4: Simplify right side
    8,450.67x = 54,495,397.14
  5. Step 5: Solve for x
    x = 54,495,397.14/8,450.67
  6. Step 6: Final answer
    x = 6,448.65

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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.