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Finding the Fourth Proportional to 2,771.01, 3,824.50 and 1,801.13

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Solution

The fourth proportional to 2,771.01, 3,824.50 and 1,801.13 is: 2,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.01 : 3,824.50 = 1,801.13 : x
  2. Step 2: Convert to fraction form
    2,771.01/3,824.50 = 1,801.13/x
  3. Step 3: Cross multiply
    2,771.01x = 3,824.50 × 1,801.13
  4. Step 4: Simplify right side
    2,771.01x = 6,888,421.69
  5. Step 5: Solve for x
    x = 6,888,421.69/2,771.01
  6. Step 6: Final answer
    x = 2,485.89

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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.