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Finding the Fourth Proportional to 6,473.48, 9,719.92 and 3,703.28

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Solution

The fourth proportional to 6,473.48, 9,719.92 and 3,703.28 is: 5,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,473.48 : 9,719.92 = 3,703.28 : x
  2. Step 2: Convert to fraction form
    6,473.48/9,719.92 = 3,703.28/x
  3. Step 3: Cross multiply
    6,473.48x = 9,719.92 × 3,703.28
  4. Step 4: Simplify right side
    6,473.48x = 35,995,585.34
  5. Step 5: Solve for x
    x = 35,995,585.34/6,473.48
  6. Step 6: Final answer
    x = 5,560.47

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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.