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Finding the Fourth Proportional to 5,687.00, 8,514.77 and 2,907.68

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Solution

The fourth proportional to 5,687.00, 8,514.77 and 2,907.68 is: 4,353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.00 : 8,514.77 = 2,907.68 : x
  2. Step 2: Convert to fraction form
    5,687.00/8,514.77 = 2,907.68/x
  3. Step 3: Cross multiply
    5,687.00x = 8,514.77 × 2,907.68
  4. Step 4: Simplify right side
    5,687.00x = 24,758,233.18
  5. Step 5: Solve for x
    x = 24,758,233.18/5,687.00
  6. Step 6: Final answer
    x = 4,353.48

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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.