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Finding the Fourth Proportional to 2,493.77, 3,740.64 and 954.77

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Solution

The fourth proportional to 2,493.77, 3,740.64 and 954.77 is: 1,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.77 : 3,740.64 = 954.77 : x
  2. Step 2: Convert to fraction form
    2,493.77/3,740.64 = 954.77/x
  3. Step 3: Cross multiply
    2,493.77x = 3,740.64 × 954.77
  4. Step 4: Simplify right side
    2,493.77x = 3,571,456.62
  5. Step 5: Solve for x
    x = 3,571,456.62/2,493.77
  6. Step 6: Final answer
    x = 1,432.15

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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.