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Finding the Fourth Proportional to 5,668.08, 8,485.92 and 4,372.08

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Solution

The fourth proportional to 5,668.08, 8,485.92 and 4,372.08 is: 6,545.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.08 : 8,485.92 = 4,372.08 : x
  2. Step 2: Convert to fraction form
    5,668.08/8,485.92 = 4,372.08/x
  3. Step 3: Cross multiply
    5,668.08x = 8,485.92 × 4,372.08
  4. Step 4: Simplify right side
    5,668.08x = 37,101,121.11
  5. Step 5: Solve for x
    x = 37,101,121.11/5,668.08
  6. Step 6: Final answer
    x = 6,545.62

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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.