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Finding the Fourth Proportional to 57,798.65, 79,752.87 and 35,125.54

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Solution

The fourth proportional to 57,798.65, 79,752.87 and 35,125.54 is: 48,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,798.65 : 79,752.87 = 35,125.54 : x
  2. Step 2: Convert to fraction form
    57,798.65/79,752.87 = 35,125.54/x
  3. Step 3: Cross multiply
    57,798.65x = 79,752.87 × 35,125.54
  4. Step 4: Simplify right side
    57,798.65x = 2,801,362,425.92
  5. Step 5: Solve for x
    x = 2,801,362,425.92/57,798.65
  6. Step 6: Final answer
    x = 48,467.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.