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Finding the Fourth Proportional to 5,304, 7,315.56 and 4,469.28

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Solution

The fourth proportional to 5,304, 7,315.56 and 4,469.28 is: 6,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304 : 7,315.56 = 4,469.28 : x
  2. Step 2: Convert to fraction form
    5,304/7,315.56 = 4,469.28/x
  3. Step 3: Cross multiply
    5,304x = 7,315.56 × 4,469.28
  4. Step 4: Simplify right side
    5,304x = 32,695,286.00
  5. Step 5: Solve for x
    x = 32,695,286.00/5,304
  6. Step 6: Final answer
    x = 6,164.27

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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.