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Finding the Fourth Proportional to 100,597.64, 150,895.87 and 25,717.68

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Solution

The fourth proportional to 100,597.64, 150,895.87 and 25,717.68 is: 38,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,597.64 : 150,895.87 = 25,717.68 : x
  2. Step 2: Convert to fraction form
    100,597.64/150,895.87 = 25,717.68/x
  3. Step 3: Cross multiply
    100,597.64x = 150,895.87 × 25,717.68
  4. Step 4: Simplify right side
    100,597.64x = 3,880,691,633.69
  5. Step 5: Solve for x
    x = 3,880,691,633.69/100,597.64
  6. Step 6: Final answer
    x = 38,576.37

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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.