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Finding the Fourth Proportional to 7,004.54, 10,497.90 and 3,719.18

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Solution

The fourth proportional to 7,004.54, 10,497.90 and 3,719.18 is: 5,574.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.54 : 10,497.90 = 3,719.18 : x
  2. Step 2: Convert to fraction form
    7,004.54/10,497.90 = 3,719.18/x
  3. Step 3: Cross multiply
    7,004.54x = 10,497.90 × 3,719.18
  4. Step 4: Simplify right side
    7,004.54x = 39,043,579.72
  5. Step 5: Solve for x
    x = 39,043,579.72/7,004.54
  6. Step 6: Final answer
    x = 5,574.04

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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.