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Finding the Fourth Proportional to 2,493.47, 3,740.20 and 933.41

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Solution

The fourth proportional to 2,493.47, 3,740.20 and 933.41 is: 1,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.47 : 3,740.20 = 933.41 : x
  2. Step 2: Convert to fraction form
    2,493.47/3,740.20 = 933.41/x
  3. Step 3: Cross multiply
    2,493.47x = 3,740.20 × 933.41
  4. Step 4: Simplify right side
    2,493.47x = 3,491,123.71
  5. Step 5: Solve for x
    x = 3,491,123.71/2,493.47
  6. Step 6: Final answer
    x = 1,400.11

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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.