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Finding the Fourth Proportional to 100,593.40, 150,890.07 and 25,713.70

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Solution

The fourth proportional to 100,593.40, 150,890.07 and 25,713.70 is: 38,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,593.40 : 150,890.07 = 25,713.70 : x
  2. Step 2: Convert to fraction form
    100,593.40/150,890.07 = 25,713.70/x
  3. Step 3: Cross multiply
    100,593.40x = 150,890.07 × 25,713.70
  4. Step 4: Simplify right side
    100,593.40x = 3,879,941,992.96
  5. Step 5: Solve for x
    x = 3,879,941,992.96/100,593.40
  6. Step 6: Final answer
    x = 38,570.54

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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.