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Finding the Fourth Proportional to 25,909.40, 38,892.90 and 16,059.80

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Solution

The fourth proportional to 25,909.40, 38,892.90 and 16,059.80 is: 24,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909.40 : 38,892.90 = 16,059.80 : x
  2. Step 2: Convert to fraction form
    25,909.40/38,892.90 = 16,059.80/x
  3. Step 3: Cross multiply
    25,909.40x = 38,892.90 × 16,059.80
  4. Step 4: Simplify right side
    25,909.40x = 624,612,195.42
  5. Step 5: Solve for x
    x = 624,612,195.42/25,909.40
  6. Step 6: Final answer
    x = 24,107.55

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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.