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Finding the Fourth Proportional to 6,140.08, 8,473.92 and 3,749.92

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Solution

The fourth proportional to 6,140.08, 8,473.92 and 3,749.92 is: 5,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.08 : 8,473.92 = 3,749.92 : x
  2. Step 2: Convert to fraction form
    6,140.08/8,473.92 = 3,749.92/x
  3. Step 3: Cross multiply
    6,140.08x = 8,473.92 × 3,749.92
  4. Step 4: Simplify right side
    6,140.08x = 31,776,522.09
  5. Step 5: Solve for x
    x = 31,776,522.09/6,140.08
  6. Step 6: Final answer
    x = 5,175.26

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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.