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Finding the Fourth Proportional to 25,599.67, 38,408.25 and 15,624.40

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Solution

The fourth proportional to 25,599.67, 38,408.25 and 15,624.40 is: 23,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,599.67 : 38,408.25 = 15,624.40 : x
  2. Step 2: Convert to fraction form
    25,599.67/38,408.25 = 15,624.40/x
  3. Step 3: Cross multiply
    25,599.67x = 38,408.25 × 15,624.40
  4. Step 4: Simplify right side
    25,599.67x = 600,105,861.30
  5. Step 5: Solve for x
    x = 600,105,861.30/25,599.67
  6. Step 6: Final answer
    x = 23,441.94

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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.