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Finding the Fourth Proportional to 8,514.09, 11,751.08 and 4,788.09

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Solution

The fourth proportional to 8,514.09, 11,751.08 and 4,788.09 is: 6,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.09 : 11,751.08 = 4,788.09 : x
  2. Step 2: Convert to fraction form
    8,514.09/11,751.08 = 4,788.09/x
  3. Step 3: Cross multiply
    8,514.09x = 11,751.08 × 4,788.09
  4. Step 4: Simplify right side
    8,514.09x = 56,265,204.70
  5. Step 5: Solve for x
    x = 56,265,204.70/8,514.09
  6. Step 6: Final answer
    x = 6,608.48

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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.