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Finding the Fourth Proportional to 6,031.72, 8,323.72 and 3,908.04

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Solution

The fourth proportional to 6,031.72, 8,323.72 and 3,908.04 is: 5,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,031.72 : 8,323.72 = 3,908.04 : x
  2. Step 2: Convert to fraction form
    6,031.72/8,323.72 = 3,908.04/x
  3. Step 3: Cross multiply
    6,031.72x = 8,323.72 × 3,908.04
  4. Step 4: Simplify right side
    6,031.72x = 32,529,430.71
  5. Step 5: Solve for x
    x = 32,529,430.71/6,031.72
  6. Step 6: Final answer
    x = 5,393.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.