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Finding the Fourth Proportional to 2,493.66, 3,440.66 and 1,445.52

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Solution

The fourth proportional to 2,493.66, 3,440.66 and 1,445.52 is: 1,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.66 : 3,440.66 = 1,445.52 : x
  2. Step 2: Convert to fraction form
    2,493.66/3,440.66 = 1,445.52/x
  3. Step 3: Cross multiply
    2,493.66x = 3,440.66 × 1,445.52
  4. Step 4: Simplify right side
    2,493.66x = 4,973,542.84
  5. Step 5: Solve for x
    x = 4,973,542.84/2,493.66
  6. Step 6: Final answer
    x = 1,994.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.