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Finding the Fourth Proportional to 5,986.13, 8,260.87 and 3,468.72

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Solution

The fourth proportional to 5,986.13, 8,260.87 and 3,468.72 is: 4,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.13 : 8,260.87 = 3,468.72 : x
  2. Step 2: Convert to fraction form
    5,986.13/8,260.87 = 3,468.72/x
  3. Step 3: Cross multiply
    5,986.13x = 8,260.87 × 3,468.72
  4. Step 4: Simplify right side
    5,986.13x = 28,654,666.48
  5. Step 5: Solve for x
    x = 28,654,666.48/5,986.13
  6. Step 6: Final answer
    x = 4,786.85

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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.