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Finding the Fourth Proportional to 3,527.31, 4,867.72 and 1,955.41

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Solution

The fourth proportional to 3,527.31, 4,867.72 and 1,955.41 is: 2,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.31 : 4,867.72 = 1,955.41 : x
  2. Step 2: Convert to fraction form
    3,527.31/4,867.72 = 1,955.41/x
  3. Step 3: Cross multiply
    3,527.31x = 4,867.72 × 1,955.41
  4. Step 4: Simplify right side
    3,527.31x = 9,518,388.37
  5. Step 5: Solve for x
    x = 9,518,388.37/3,527.31
  6. Step 6: Final answer
    x = 2,698.48

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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.