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Finding the Fourth Proportional to 25,496.40, 38,233.80 and 12,352.80

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Solution

The fourth proportional to 25,496.40, 38,233.80 and 12,352.80 is: 18,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,496.40 : 38,233.80 = 12,352.80 : x
  2. Step 2: Convert to fraction form
    25,496.40/38,233.80 = 12,352.80/x
  3. Step 3: Cross multiply
    25,496.40x = 38,233.80 × 12,352.80
  4. Step 4: Simplify right side
    25,496.40x = 472,294,484.64
  5. Step 5: Solve for x
    x = 472,294,484.64/25,496.40
  6. Step 6: Final answer
    x = 18,523.97

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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.