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Finding the Fourth Proportional to 7,305.82, 10,950.82 and 2,918.45

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Solution

The fourth proportional to 7,305.82, 10,950.82 and 2,918.45 is: 4,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.82 : 10,950.82 = 2,918.45 : x
  2. Step 2: Convert to fraction form
    7,305.82/10,950.82 = 2,918.45/x
  3. Step 3: Cross multiply
    7,305.82x = 10,950.82 × 2,918.45
  4. Step 4: Simplify right side
    7,305.82x = 31,959,440.71
  5. Step 5: Solve for x
    x = 31,959,440.71/7,305.82
  6. Step 6: Final answer
    x = 4,374.52

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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.