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Finding the Fourth Proportional to 5,985.62, 8,255.77 and 4,095.23

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Solution

The fourth proportional to 5,985.62, 8,255.77 and 4,095.23 is: 5,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.62 : 8,255.77 = 4,095.23 : x
  2. Step 2: Convert to fraction form
    5,985.62/8,255.77 = 4,095.23/x
  3. Step 3: Cross multiply
    5,985.62x = 8,255.77 × 4,095.23
  4. Step 4: Simplify right side
    5,985.62x = 33,809,318.15
  5. Step 5: Solve for x
    x = 33,809,318.15/5,985.62
  6. Step 6: Final answer
    x = 5,648.42

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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.