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Finding the Fourth Proportional to 100,405.39, 150,605.61 and 24,504.47

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Solution

The fourth proportional to 100,405.39, 150,605.61 and 24,504.47 is: 36,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,405.39 : 150,605.61 = 24,504.47 : x
  2. Step 2: Convert to fraction form
    100,405.39/150,605.61 = 24,504.47/x
  3. Step 3: Cross multiply
    100,405.39x = 150,605.61 × 24,504.47
  4. Step 4: Simplify right side
    100,405.39x = 3,690,511,356.92
  5. Step 5: Solve for x
    x = 3,690,511,356.92/100,405.39
  6. Step 6: Final answer
    x = 36,756.11

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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.