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Finding the Fourth Proportional to 3,774.18, 5,661.03 and 2,313.54

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Solution

The fourth proportional to 3,774.18, 5,661.03 and 2,313.54 is: 3,470.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.18 : 5,661.03 = 2,313.54 : x
  2. Step 2: Convert to fraction form
    3,774.18/5,661.03 = 2,313.54/x
  3. Step 3: Cross multiply
    3,774.18x = 5,661.03 × 2,313.54
  4. Step 4: Simplify right side
    3,774.18x = 13,097,019.35
  5. Step 5: Solve for x
    x = 13,097,019.35/3,774.18
  6. Step 6: Final answer
    x = 3,470.16

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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.