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Finding the Fourth Proportional to 25,998.66, 38,997.99 and 6,277.20

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Solution

The fourth proportional to 25,998.66, 38,997.99 and 6,277.20 is: 9,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,998.66 : 38,997.99 = 6,277.20 : x
  2. Step 2: Convert to fraction form
    25,998.66/38,997.99 = 6,277.20/x
  3. Step 3: Cross multiply
    25,998.66x = 38,997.99 × 6,277.20
  4. Step 4: Simplify right side
    25,998.66x = 244,798,182.83
  5. Step 5: Solve for x
    x = 244,798,182.83/25,998.66
  6. Step 6: Final answer
    x = 9,415.80

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Similar ratio
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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.