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Finding the Fourth Proportional to 100,636.08, 150,952.56 and 25,755.57

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Solution

The fourth proportional to 100,636.08, 150,952.56 and 25,755.57 is: 38,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,636.08 : 150,952.56 = 25,755.57 : x
  2. Step 2: Convert to fraction form
    100,636.08/150,952.56 = 25,755.57/x
  3. Step 3: Cross multiply
    100,636.08x = 150,952.56 × 25,755.57
  4. Step 4: Simplify right side
    100,636.08x = 3,887,869,225.76
  5. Step 5: Solve for x
    x = 3,887,869,225.76/100,636.08
  6. Step 6: Final answer
    x = 38,632.96

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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.