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Finding the Fourth Proportional to 25,596.95, 38,412.72 and 8,957.12

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Solution

The fourth proportional to 25,596.95, 38,412.72 and 8,957.12 is: 13,441.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,596.95 : 38,412.72 = 8,957.12 : x
  2. Step 2: Convert to fraction form
    25,596.95/38,412.72 = 8,957.12/x
  3. Step 3: Cross multiply
    25,596.95x = 38,412.72 × 8,957.12
  4. Step 4: Simplify right side
    25,596.95x = 344,067,449.42
  5. Step 5: Solve for x
    x = 344,067,449.42/25,596.95
  6. Step 6: Final answer
    x = 13,441.74

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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.