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Finding the Fourth Proportional to 5,251.99, 7,877.98 and 3,603.54

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Solution

The fourth proportional to 5,251.99, 7,877.98 and 3,603.54 is: 5,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.99 : 7,877.98 = 3,603.54 : x
  2. Step 2: Convert to fraction form
    5,251.99/7,877.98 = 3,603.54/x
  3. Step 3: Cross multiply
    5,251.99x = 7,877.98 × 3,603.54
  4. Step 4: Simplify right side
    5,251.99x = 28,388,615.92
  5. Step 5: Solve for x
    x = 28,388,615.92/5,251.99
  6. Step 6: Final answer
    x = 5,405.31

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1.5x scale

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.