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Finding the Fourth Proportional to 57,759.78, 79,684.76 and 35,095.10

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Solution

The fourth proportional to 57,759.78, 79,684.76 and 35,095.10 is: 48,416.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,759.78 : 79,684.76 = 35,095.10 : x
  2. Step 2: Convert to fraction form
    57,759.78/79,684.76 = 35,095.10/x
  3. Step 3: Cross multiply
    57,759.78x = 79,684.76 × 35,095.10
  4. Step 4: Simplify right side
    57,759.78x = 2,796,544,620.68
  5. Step 5: Solve for x
    x = 2,796,544,620.68/57,759.78
  6. Step 6: Final answer
    x = 48,416.82

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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.