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Finding the Fourth Proportional to 5,520.87, 7,625.63 and 4,006.00

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Solution

The fourth proportional to 5,520.87, 7,625.63 and 4,006.00 is: 5,533.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.87 : 7,625.63 = 4,006.00 : x
  2. Step 2: Convert to fraction form
    5,520.87/7,625.63 = 4,006.00/x
  3. Step 3: Cross multiply
    5,520.87x = 7,625.63 × 4,006.00
  4. Step 4: Simplify right side
    5,520.87x = 30,548,235.65
  5. Step 5: Solve for x
    x = 30,548,235.65/5,520.87
  6. Step 6: Final answer
    x = 5,533.23

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1.5x scale

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.