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Finding the Fourth Proportional to 9,165.56, 13,750.36 and 3,322.01

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Solution

The fourth proportional to 9,165.56, 13,750.36 and 3,322.01 is: 4,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.56 : 13,750.36 = 3,322.01 : x
  2. Step 2: Convert to fraction form
    9,165.56/13,750.36 = 3,322.01/x
  3. Step 3: Cross multiply
    9,165.56x = 13,750.36 × 3,322.01
  4. Step 4: Simplify right side
    9,165.56x = 45,678,859.49
  5. Step 5: Solve for x
    x = 45,678,859.49/9,165.56
  6. Step 6: Final answer
    x = 4,983.75

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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.