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Finding the Fourth Proportional to 2,550.61, 3,829.01 and 2,421.44

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Solution

The fourth proportional to 2,550.61, 3,829.01 and 2,421.44 is: 3,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.61 : 3,829.01 = 2,421.44 : x
  2. Step 2: Convert to fraction form
    2,550.61/3,829.01 = 2,421.44/x
  3. Step 3: Cross multiply
    2,550.61x = 3,829.01 × 2,421.44
  4. Step 4: Simplify right side
    2,550.61x = 9,271,686.72
  5. Step 5: Solve for x
    x = 9,271,686.72/2,550.61
  6. Step 6: Final answer
    x = 3,635.09

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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.