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Finding the Fourth Proportional to 8,554.33, 11,759.71 and 7,354.89

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Solution

The fourth proportional to 8,554.33, 11,759.71 and 7,354.89 is: 10,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.33 : 11,759.71 = 7,354.89 : x
  2. Step 2: Convert to fraction form
    8,554.33/11,759.71 = 7,354.89/x
  3. Step 3: Cross multiply
    8,554.33x = 11,759.71 × 7,354.89
  4. Step 4: Simplify right side
    8,554.33x = 86,491,373.48
  5. Step 5: Solve for x
    x = 86,491,373.48/8,554.33
  6. Step 6: Final answer
    x = 10,110.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.