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Finding the Fourth Proportional to 1,602.65, 2,403.14 and 1,082.63

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Solution

The fourth proportional to 1,602.65, 2,403.14 and 1,082.63 is: 1,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.65 : 2,403.14 = 1,082.63 : x
  2. Step 2: Convert to fraction form
    1,602.65/2,403.14 = 1,082.63/x
  3. Step 3: Cross multiply
    1,602.65x = 2,403.14 × 1,082.63
  4. Step 4: Simplify right side
    1,602.65x = 2,601,694.03
  5. Step 5: Solve for x
    x = 2,601,694.03/1,602.65
  6. Step 6: Final answer
    x = 1,623.38

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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.