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Finding the Fourth Proportional to 6,476.22, 9,705.15 and 5,008.50

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Solution

The fourth proportional to 6,476.22, 9,705.15 and 5,008.50 is: 7,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476.22 : 9,705.15 = 5,008.50 : x
  2. Step 2: Convert to fraction form
    6,476.22/9,705.15 = 5,008.50/x
  3. Step 3: Cross multiply
    6,476.22x = 9,705.15 × 5,008.50
  4. Step 4: Simplify right side
    6,476.22x = 48,608,243.78
  5. Step 5: Solve for x
    x = 48,608,243.78/6,476.22
  6. Step 6: Final answer
    x = 7,505.65

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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.