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Finding the Fourth Proportional to 9,644.12, 14,464.88 and 2,719.16

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Solution

The fourth proportional to 9,644.12, 14,464.88 and 2,719.16 is: 4,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,644.12 : 14,464.88 = 2,719.16 : x
  2. Step 2: Convert to fraction form
    9,644.12/14,464.88 = 2,719.16/x
  3. Step 3: Cross multiply
    9,644.12x = 14,464.88 × 2,719.16
  4. Step 4: Simplify right side
    9,644.12x = 39,332,323.10
  5. Step 5: Solve for x
    x = 39,332,323.10/9,644.12
  6. Step 6: Final answer
    x = 4,078.37

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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.