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Finding the Fourth Proportional to 35,942.70, 53,873.55 and 17,231.70

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Solution

The fourth proportional to 35,942.70, 53,873.55 and 17,231.70 is: 25,828.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,942.70 : 53,873.55 = 17,231.70 : x
  2. Step 2: Convert to fraction form
    35,942.70/53,873.55 = 17,231.70/x
  3. Step 3: Cross multiply
    35,942.70x = 53,873.55 × 17,231.70
  4. Step 4: Simplify right side
    35,942.70x = 928,332,851.54
  5. Step 5: Solve for x
    x = 928,332,851.54/35,942.70
  6. Step 6: Final answer
    x = 25,828.13

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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.