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Finding the Fourth Proportional to 25,596.91, 38,399.48 and 8,956.57

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Solution

The fourth proportional to 25,596.91, 38,399.48 and 8,956.57 is: 13,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,596.91 : 38,399.48 = 8,956.57 : x
  2. Step 2: Convert to fraction form
    25,596.91/38,399.48 = 8,956.57/x
  3. Step 3: Cross multiply
    25,596.91x = 38,399.48 × 8,956.57
  4. Step 4: Simplify right side
    25,596.91x = 343,927,630.58
  5. Step 5: Solve for x
    x = 343,927,630.58/25,596.91
  6. Step 6: Final answer
    x = 13,436.29

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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.