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Finding the Fourth Proportional to 2,695.41, 4,043.27 and 964.04

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Solution

The fourth proportional to 2,695.41, 4,043.27 and 964.04 is: 1,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.41 : 4,043.27 = 964.04 : x
  2. Step 2: Convert to fraction form
    2,695.41/4,043.27 = 964.04/x
  3. Step 3: Cross multiply
    2,695.41x = 4,043.27 × 964.04
  4. Step 4: Simplify right side
    2,695.41x = 3,897,848.97
  5. Step 5: Solve for x
    x = 3,897,848.97/2,695.41
  6. Step 6: Final answer
    x = 1,446.11

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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.