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Finding the Fourth Proportional to 5,506.80, 7,610.02 and 4,092.54

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Solution

The fourth proportional to 5,506.80, 7,610.02 and 4,092.54 is: 5,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506.80 : 7,610.02 = 4,092.54 : x
  2. Step 2: Convert to fraction form
    5,506.80/7,610.02 = 4,092.54/x
  3. Step 3: Cross multiply
    5,506.80x = 7,610.02 × 4,092.54
  4. Step 4: Simplify right side
    5,506.80x = 31,144,311.25
  5. Step 5: Solve for x
    x = 31,144,311.25/5,506.80
  6. Step 6: Final answer
    x = 5,655.61

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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.