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Finding the Fourth Proportional to 25,295.33, 37,939.76 and 7,763.69

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Solution

The fourth proportional to 25,295.33, 37,939.76 and 7,763.69 is: 11,644.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,295.33 : 37,939.76 = 7,763.69 : x
  2. Step 2: Convert to fraction form
    25,295.33/37,939.76 = 7,763.69/x
  3. Step 3: Cross multiply
    25,295.33x = 37,939.76 × 7,763.69
  4. Step 4: Simplify right side
    25,295.33x = 294,552,620.46
  5. Step 5: Solve for x
    x = 294,552,620.46/25,295.33
  6. Step 6: Final answer
    x = 11,644.54

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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.