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Finding the Fourth Proportional to 2,723.60, 4,082.16 and 2,075.60

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Solution

The fourth proportional to 2,723.60, 4,082.16 and 2,075.60 is: 3,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.60 : 4,082.16 = 2,075.60 : x
  2. Step 2: Convert to fraction form
    2,723.60/4,082.16 = 2,075.60/x
  3. Step 3: Cross multiply
    2,723.60x = 4,082.16 × 2,075.60
  4. Step 4: Simplify right side
    2,723.60x = 8,472,931.30
  5. Step 5: Solve for x
    x = 8,472,931.30/2,723.60
  6. Step 6: Final answer
    x = 3,110.93

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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.