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Finding the Fourth Proportional to 4,719.04, 7,071.92 and 3,548.28

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Solution

The fourth proportional to 4,719.04, 7,071.92 and 3,548.28 is: 5,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.04 : 7,071.92 = 3,548.28 : x
  2. Step 2: Convert to fraction form
    4,719.04/7,071.92 = 3,548.28/x
  3. Step 3: Cross multiply
    4,719.04x = 7,071.92 × 3,548.28
  4. Step 4: Simplify right side
    4,719.04x = 25,093,152.30
  5. Step 5: Solve for x
    x = 25,093,152.30/4,719.04
  6. Step 6: Final answer
    x = 5,317.43

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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.