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Finding the Fourth Proportional to 5,291.56, 7,302.72 and 2,933.92

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Solution

The fourth proportional to 5,291.56, 7,302.72 and 2,933.92 is: 4,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.56 : 7,302.72 = 2,933.92 : x
  2. Step 2: Convert to fraction form
    5,291.56/7,302.72 = 2,933.92/x
  3. Step 3: Cross multiply
    5,291.56x = 7,302.72 × 2,933.92
  4. Step 4: Simplify right side
    5,291.56x = 21,425,596.26
  5. Step 5: Solve for x
    x = 21,425,596.26/5,291.56
  6. Step 6: Final answer
    x = 4,049.01

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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.