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Finding the Fourth Proportional to 8,376.28, 12,566.04 and 4,485.04

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Solution

The fourth proportional to 8,376.28, 12,566.04 and 4,485.04 is: 6,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.28 : 12,566.04 = 4,485.04 : x
  2. Step 2: Convert to fraction form
    8,376.28/12,566.04 = 4,485.04/x
  3. Step 3: Cross multiply
    8,376.28x = 12,566.04 × 4,485.04
  4. Step 4: Simplify right side
    8,376.28x = 56,359,192.04
  5. Step 5: Solve for x
    x = 56,359,192.04/8,376.28
  6. Step 6: Final answer
    x = 6,728.43

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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.