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Finding the Fourth Proportional to 25,751.70, 38,627.55 and 10,961.10

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Solution

The fourth proportional to 25,751.70, 38,627.55 and 10,961.10 is: 16,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.70 : 38,627.55 = 10,961.10 : x
  2. Step 2: Convert to fraction form
    25,751.70/38,627.55 = 10,961.10/x
  3. Step 3: Cross multiply
    25,751.70x = 38,627.55 × 10,961.10
  4. Step 4: Simplify right side
    25,751.70x = 423,400,438.31
  5. Step 5: Solve for x
    x = 423,400,438.31/25,751.70
  6. Step 6: Final answer
    x = 16,441.65

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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.