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Finding the Fourth Proportional to 18,064.02, 27,075.24 and 6,965.16

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Solution

The fourth proportional to 18,064.02, 27,075.24 and 6,965.16 is: 10,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.02 : 27,075.24 = 6,965.16 : x
  2. Step 2: Convert to fraction form
    18,064.02/27,075.24 = 6,965.16/x
  3. Step 3: Cross multiply
    18,064.02x = 27,075.24 × 6,965.16
  4. Step 4: Simplify right side
    18,064.02x = 188,583,378.64
  5. Step 5: Solve for x
    x = 188,583,378.64/18,064.02
  6. Step 6: Final answer
    x = 10,439.72

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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.