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Finding the Fourth Proportional to 6,559.17, 9,827.81 and 2,855.85

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Solution

The fourth proportional to 6,559.17, 9,827.81 and 2,855.85 is: 4,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,559.17 : 9,827.81 = 2,855.85 : x
  2. Step 2: Convert to fraction form
    6,559.17/9,827.81 = 2,855.85/x
  3. Step 3: Cross multiply
    6,559.17x = 9,827.81 × 2,855.85
  4. Step 4: Simplify right side
    6,559.17x = 28,066,736.91
  5. Step 5: Solve for x
    x = 28,066,736.91/6,559.17
  6. Step 6: Final answer
    x = 4,279.01

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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.