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Finding the Fourth Proportional to 3,955.18, 5,932.69 and 2,291.79

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Solution

The fourth proportional to 3,955.18, 5,932.69 and 2,291.79 is: 3,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.18 : 5,932.69 = 2,291.79 : x
  2. Step 2: Convert to fraction form
    3,955.18/5,932.69 = 2,291.79/x
  3. Step 3: Cross multiply
    3,955.18x = 5,932.69 × 2,291.79
  4. Step 4: Simplify right side
    3,955.18x = 13,596,509.02
  5. Step 5: Solve for x
    x = 13,596,509.02/3,955.18
  6. Step 6: Final answer
    x = 3,437.65

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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.