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Finding the Fourth Proportional to 11,658.54, 17,484.02 and 3,865.26

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Solution

The fourth proportional to 11,658.54, 17,484.02 and 3,865.26 is: 5,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658.54 : 17,484.02 = 3,865.26 : x
  2. Step 2: Convert to fraction form
    11,658.54/17,484.02 = 3,865.26/x
  3. Step 3: Cross multiply
    11,658.54x = 17,484.02 × 3,865.26
  4. Step 4: Simplify right side
    11,658.54x = 67,580,283.15
  5. Step 5: Solve for x
    x = 67,580,283.15/11,658.54
  6. Step 6: Final answer
    x = 5,796.63

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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.