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Finding the Fourth Proportional to 70,097.53, 105,201.61 and 25,736.97

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Solution

The fourth proportional to 70,097.53, 105,201.61 and 25,736.97 is: 38,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,097.53 : 105,201.61 = 25,736.97 : x
  2. Step 2: Convert to fraction form
    70,097.53/105,201.61 = 25,736.97/x
  3. Step 3: Cross multiply
    70,097.53x = 105,201.61 × 25,736.97
  4. Step 4: Simplify right side
    70,097.53x = 2,707,570,195.43
  5. Step 5: Solve for x
    x = 2,707,570,195.43/70,097.53
  6. Step 6: Final answer
    x = 38,625.76

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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.