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Finding the Fourth Proportional to 11,573.96, 17,368.52 and 4,649

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Solution

The fourth proportional to 11,573.96, 17,368.52 and 4,649 is: 6,976.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,573.96 : 17,368.52 = 4,649 : x
  2. Step 2: Convert to fraction form
    11,573.96/17,368.52 = 4,649/x
  3. Step 3: Cross multiply
    11,573.96x = 17,368.52 × 4,649
  4. Step 4: Simplify right side
    11,573.96x = 80,746,249.48
  5. Step 5: Solve for x
    x = 80,746,249.48/11,573.96
  6. Step 6: Final answer
    x = 6,976.54

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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.