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Finding the Fourth Proportional to 25,908.66, 38,862.99 and 10,326.42

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Solution

The fourth proportional to 25,908.66, 38,862.99 and 10,326.42 is: 15,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,908.66 : 38,862.99 = 10,326.42 : x
  2. Step 2: Convert to fraction form
    25,908.66/38,862.99 = 10,326.42/x
  3. Step 3: Cross multiply
    25,908.66x = 38,862.99 × 10,326.42
  4. Step 4: Simplify right side
    25,908.66x = 401,315,557.20
  5. Step 5: Solve for x
    x = 401,315,557.20/25,908.66
  6. Step 6: Final answer
    x = 15,489.63

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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.