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Finding the Fourth Proportional to 75,245.65, 112,885.83 and 25,324.45

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Solution

The fourth proportional to 75,245.65, 112,885.83 and 25,324.45 is: 37,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,245.65 : 112,885.83 = 25,324.45 : x
  2. Step 2: Convert to fraction form
    75,245.65/112,885.83 = 25,324.45/x
  3. Step 3: Cross multiply
    75,245.65x = 112,885.83 × 25,324.45
  4. Step 4: Simplify right side
    75,245.65x = 2,858,771,557.54
  5. Step 5: Solve for x
    x = 2,858,771,557.54/75,245.65
  6. Step 6: Final answer
    x = 37,992.52

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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.