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Finding the Fourth Proportional to 3,816.64, 5,721.72 and 2,352.70

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Solution

The fourth proportional to 3,816.64, 5,721.72 and 2,352.70 is: 3,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.64 : 5,721.72 = 2,352.70 : x
  2. Step 2: Convert to fraction form
    3,816.64/5,721.72 = 2,352.70/x
  3. Step 3: Cross multiply
    3,816.64x = 5,721.72 × 2,352.70
  4. Step 4: Simplify right side
    3,816.64x = 13,461,490.64
  5. Step 5: Solve for x
    x = 13,461,490.64/3,816.64
  6. Step 6: Final answer
    x = 3,527.05

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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.