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Finding the Fourth Proportional to 25,049.35, 37,579.49 and 7,520.55

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Solution

The fourth proportional to 25,049.35, 37,579.49 and 7,520.55 is: 11,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,049.35 : 37,579.49 = 7,520.55 : x
  2. Step 2: Convert to fraction form
    25,049.35/37,579.49 = 7,520.55/x
  3. Step 3: Cross multiply
    25,049.35x = 37,579.49 × 7,520.55
  4. Step 4: Simplify right side
    25,049.35x = 282,618,325.50
  5. Step 5: Solve for x
    x = 282,618,325.50/25,049.35
  6. Step 6: Final answer
    x = 11,282.46

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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.