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Finding the Fourth Proportional to 3,758.99, 5,630.06 and 2,520.50

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Solution

The fourth proportional to 3,758.99, 5,630.06 and 2,520.50 is: 3,775.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.99 : 5,630.06 = 2,520.50 : x
  2. Step 2: Convert to fraction form
    3,758.99/5,630.06 = 2,520.50/x
  3. Step 3: Cross multiply
    3,758.99x = 5,630.06 × 2,520.50
  4. Step 4: Simplify right side
    3,758.99x = 14,190,525.48
  5. Step 5: Solve for x
    x = 14,190,525.48/3,758.99
  6. Step 6: Final answer
    x = 3,775.09

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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.