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Finding the Fourth Proportional to 5,368.82, 7,408.48 and 3,010.50

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Solution

The fourth proportional to 5,368.82, 7,408.48 and 3,010.50 is: 4,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.82 : 7,408.48 = 3,010.50 : x
  2. Step 2: Convert to fraction form
    5,368.82/7,408.48 = 3,010.50/x
  3. Step 3: Cross multiply
    5,368.82x = 7,408.48 × 3,010.50
  4. Step 4: Simplify right side
    5,368.82x = 22,303,229.04
  5. Step 5: Solve for x
    x = 22,303,229.04/5,368.82
  6. Step 6: Final answer
    x = 4,154.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.