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Finding the Fourth Proportional to 25,162.80, 37,744.20 and 10,366.80

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Solution

The fourth proportional to 25,162.80, 37,744.20 and 10,366.80 is: 15,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162.80 : 37,744.20 = 10,366.80 : x
  2. Step 2: Convert to fraction form
    25,162.80/37,744.20 = 10,366.80/x
  3. Step 3: Cross multiply
    25,162.80x = 37,744.20 × 10,366.80
  4. Step 4: Simplify right side
    25,162.80x = 391,286,572.56
  5. Step 5: Solve for x
    x = 391,286,572.56/25,162.80
  6. Step 6: Final answer
    x = 15,550.20

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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.