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Finding the Fourth Proportional to 2,497.96, 3,747 and 854.50

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Solution

The fourth proportional to 2,497.96, 3,747 and 854.50 is: 1,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.96 : 3,747 = 854.50 : x
  2. Step 2: Convert to fraction form
    2,497.96/3,747 = 854.50/x
  3. Step 3: Cross multiply
    2,497.96x = 3,747 × 854.50
  4. Step 4: Simplify right side
    2,497.96x = 3,201,792.77
  5. Step 5: Solve for x
    x = 3,201,792.77/2,497.96
  6. Step 6: Final answer
    x = 1,281.76

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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.