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Finding the Fourth Proportional to 28,751.70, 43,200.45 and 25,544.10

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Solution

The fourth proportional to 28,751.70, 43,200.45 and 25,544.10 is: 38,380.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,751.70 : 43,200.45 = 25,544.10 : x
  2. Step 2: Convert to fraction form
    28,751.70/43,200.45 = 25,544.10/x
  3. Step 3: Cross multiply
    28,751.70x = 43,200.45 × 25,544.10
  4. Step 4: Simplify right side
    28,751.70x = 1,103,516,614.85
  5. Step 5: Solve for x
    x = 1,103,516,614.85/28,751.70
  6. Step 6: Final answer
    x = 38,380.92

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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.