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Finding the Fourth Proportional to 1,605.22, 2,410.16 and 1,023.91

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Solution

The fourth proportional to 1,605.22, 2,410.16 and 1,023.91 is: 1,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605.22 : 2,410.16 = 1,023.91 : x
  2. Step 2: Convert to fraction form
    1,605.22/2,410.16 = 1,023.91/x
  3. Step 3: Cross multiply
    1,605.22x = 2,410.16 × 1,023.91
  4. Step 4: Simplify right side
    1,605.22x = 2,467,775.78
  5. Step 5: Solve for x
    x = 2,467,775.78/1,605.22
  6. Step 6: Final answer
    x = 1,537.35

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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.