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Finding the Fourth Proportional to 5,658.69, 8,489.85 and 2,541.39

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Solution

The fourth proportional to 5,658.69, 8,489.85 and 2,541.39 is: 3,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.69 : 8,489.85 = 2,541.39 : x
  2. Step 2: Convert to fraction form
    5,658.69/8,489.85 = 2,541.39/x
  3. Step 3: Cross multiply
    5,658.69x = 8,489.85 × 2,541.39
  4. Step 4: Simplify right side
    5,658.69x = 21,576,019.89
  5. Step 5: Solve for x
    x = 21,576,019.89/5,658.69
  6. Step 6: Final answer
    x = 3,812.90

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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.