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Finding the Fourth Proportional to 5,291.68, 7,302.50 and 2,933.82

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Solution

The fourth proportional to 5,291.68, 7,302.50 and 2,933.82 is: 4,048.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.68 : 7,302.50 = 2,933.82 : x
  2. Step 2: Convert to fraction form
    5,291.68/7,302.50 = 2,933.82/x
  3. Step 3: Cross multiply
    5,291.68x = 7,302.50 × 2,933.82
  4. Step 4: Simplify right side
    5,291.68x = 21,424,169.37
  5. Step 5: Solve for x
    x = 21,424,169.37/5,291.68
  6. Step 6: Final answer
    x = 4,048.65

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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.