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Finding the Fourth Proportional to 7,368.82, 11,054.82 and 2,438.21

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Solution

The fourth proportional to 7,368.82, 11,054.82 and 2,438.21 is: 3,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.82 : 11,054.82 = 2,438.21 : x
  2. Step 2: Convert to fraction form
    7,368.82/11,054.82 = 2,438.21/x
  3. Step 3: Cross multiply
    7,368.82x = 11,054.82 × 2,438.21
  4. Step 4: Simplify right side
    7,368.82x = 26,953,972.67
  5. Step 5: Solve for x
    x = 26,953,972.67/7,368.82
  6. Step 6: Final answer
    x = 3,657.84

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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.