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Finding the Fourth Proportional to 3,719.61, 5,133.03 and 2,041.11

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Solution

The fourth proportional to 3,719.61, 5,133.03 and 2,041.11 is: 2,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.61 : 5,133.03 = 2,041.11 : x
  2. Step 2: Convert to fraction form
    3,719.61/5,133.03 = 2,041.11/x
  3. Step 3: Cross multiply
    3,719.61x = 5,133.03 × 2,041.11
  4. Step 4: Simplify right side
    3,719.61x = 10,477,078.86
  5. Step 5: Solve for x
    x = 10,477,078.86/3,719.61
  6. Step 6: Final answer
    x = 2,816.71

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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.