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Finding the Fourth Proportional to 1,695.03, 2,542.55 and 462.44

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Solution

The fourth proportional to 1,695.03, 2,542.55 and 462.44 is: 693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.03 : 2,542.55 = 462.44 : x
  2. Step 2: Convert to fraction form
    1,695.03/2,542.55 = 462.44/x
  3. Step 3: Cross multiply
    1,695.03x = 2,542.55 × 462.44
  4. Step 4: Simplify right side
    1,695.03x = 1,175,774.51
  5. Step 5: Solve for x
    x = 1,175,774.51/1,695.03
  6. Step 6: Final answer
    x = 693.66

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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.