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Finding the Fourth Proportional to 8,995.90, 13,489.21 and 4,062.85

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Solution

The fourth proportional to 8,995.90, 13,489.21 and 4,062.85 is: 6,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.90 : 13,489.21 = 4,062.85 : x
  2. Step 2: Convert to fraction form
    8,995.90/13,489.21 = 4,062.85/x
  3. Step 3: Cross multiply
    8,995.90x = 13,489.21 × 4,062.85
  4. Step 4: Simplify right side
    8,995.90x = 54,804,636.85
  5. Step 5: Solve for x
    x = 54,804,636.85/8,995.90
  6. Step 6: Final answer
    x = 6,092.18

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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.