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Finding the Fourth Proportional to 25,539.66, 38,309.49 and 8,010.90

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Solution

The fourth proportional to 25,539.66, 38,309.49 and 8,010.90 is: 12,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,539.66 : 38,309.49 = 8,010.90 : x
  2. Step 2: Convert to fraction form
    25,539.66/38,309.49 = 8,010.90/x
  3. Step 3: Cross multiply
    25,539.66x = 38,309.49 × 8,010.90
  4. Step 4: Simplify right side
    25,539.66x = 306,893,493.44
  5. Step 5: Solve for x
    x = 306,893,493.44/25,539.66
  6. Step 6: Final answer
    x = 12,016.35

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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.