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Finding the Fourth Proportional to 5,291.92, 7,303.07 and 2,933.89

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Solution

The fourth proportional to 5,291.92, 7,303.07 and 2,933.89 is: 4,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.92 : 7,303.07 = 2,933.89 : x
  2. Step 2: Convert to fraction form
    5,291.92/7,303.07 = 2,933.89/x
  3. Step 3: Cross multiply
    5,291.92x = 7,303.07 × 2,933.89
  4. Step 4: Simplify right side
    5,291.92x = 21,426,352.86
  5. Step 5: Solve for x
    x = 21,426,352.86/5,291.92
  6. Step 6: Final answer
    x = 4,048.88

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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.