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Finding the Fourth Proportional to 6,476.72, 9,724.80 and 3,706.52

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Solution

The fourth proportional to 6,476.72, 9,724.80 and 3,706.52 is: 5,565.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476.72 : 9,724.80 = 3,706.52 : x
  2. Step 2: Convert to fraction form
    6,476.72/9,724.80 = 3,706.52/x
  3. Step 3: Cross multiply
    6,476.72x = 9,724.80 × 3,706.52
  4. Step 4: Simplify right side
    6,476.72x = 36,045,165.70
  5. Step 5: Solve for x
    x = 36,045,165.70/6,476.72
  6. Step 6: Final answer
    x = 5,565.34

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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.