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Finding the Fourth Proportional to 25,549.53, 38,324.44 and 8,909.49

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Solution

The fourth proportional to 25,549.53, 38,324.44 and 8,909.49 is: 13,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,549.53 : 38,324.44 = 8,909.49 : x
  2. Step 2: Convert to fraction form
    25,549.53/38,324.44 = 8,909.49/x
  3. Step 3: Cross multiply
    25,549.53x = 38,324.44 × 8,909.49
  4. Step 4: Simplify right side
    25,549.53x = 341,451,369.79
  5. Step 5: Solve for x
    x = 341,451,369.79/25,549.53
  6. Step 6: Final answer
    x = 13,364.29

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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.