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Finding the Fourth Proportional to 5,435.50, 7,500.99 and 2,951.50

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Solution

The fourth proportional to 5,435.50, 7,500.99 and 2,951.50 is: 4,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.50 : 7,500.99 = 2,951.50 : x
  2. Step 2: Convert to fraction form
    5,435.50/7,500.99 = 2,951.50/x
  3. Step 3: Cross multiply
    5,435.50x = 7,500.99 × 2,951.50
  4. Step 4: Simplify right side
    5,435.50x = 22,139,171.99
  5. Step 5: Solve for x
    x = 22,139,171.99/5,435.50
  6. Step 6: Final answer
    x = 4,073.07

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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.