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Finding the Fourth Proportional to 5,661.67, 8,493.58 and 2,541.60

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Solution

The fourth proportional to 5,661.67, 8,493.58 and 2,541.60 is: 3,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.67 : 8,493.58 = 2,541.60 : x
  2. Step 2: Convert to fraction form
    5,661.67/8,493.58 = 2,541.60/x
  3. Step 3: Cross multiply
    5,661.67x = 8,493.58 × 2,541.60
  4. Step 4: Simplify right side
    5,661.67x = 21,587,282.93
  5. Step 5: Solve for x
    x = 21,587,282.93/5,661.67
  6. Step 6: Final answer
    x = 3,812.88

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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.