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Finding the Fourth Proportional to 5,668.55, 8,502.81 and 1,508.55

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Solution

The fourth proportional to 5,668.55, 8,502.81 and 1,508.55 is: 2,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.55 : 8,502.81 = 1,508.55 : x
  2. Step 2: Convert to fraction form
    5,668.55/8,502.81 = 1,508.55/x
  3. Step 3: Cross multiply
    5,668.55x = 8,502.81 × 1,508.55
  4. Step 4: Simplify right side
    5,668.55x = 12,826,914.03
  5. Step 5: Solve for x
    x = 12,826,914.03/5,668.55
  6. Step 6: Final answer
    x = 2,262.82

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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.