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Finding the Fourth Proportional to 57,756.77, 79,680.62 and 35,092.10

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Solution

The fourth proportional to 57,756.77, 79,680.62 and 35,092.10 is: 48,412.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,756.77 : 79,680.62 = 35,092.10 : x
  2. Step 2: Convert to fraction form
    57,756.77/79,680.62 = 35,092.10/x
  3. Step 3: Cross multiply
    57,756.77x = 79,680.62 × 35,092.10
  4. Step 4: Simplify right side
    57,756.77x = 2,796,160,285.10
  5. Step 5: Solve for x
    x = 2,796,160,285.10/57,756.77
  6. Step 6: Final answer
    x = 48,412.68

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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.