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Finding the Fourth Proportional to 5,550.50, 7,698.95 and 5,351.01

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Solution

The fourth proportional to 5,550.50, 7,698.95 and 5,351.01 is: 7,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.50 : 7,698.95 = 5,351.01 : x
  2. Step 2: Convert to fraction form
    5,550.50/7,698.95 = 5,351.01/x
  3. Step 3: Cross multiply
    5,550.50x = 7,698.95 × 5,351.01
  4. Step 4: Simplify right side
    5,550.50x = 41,197,158.44
  5. Step 5: Solve for x
    x = 41,197,158.44/5,550.50
  6. Step 6: Final answer
    x = 7,422.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.