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Finding the Fourth Proportional to 57,840.83, 79,821.41 and 35,180.77

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Solution

The fourth proportional to 57,840.83, 79,821.41 and 35,180.77 is: 48,550.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,840.83 : 79,821.41 = 35,180.77 : x
  2. Step 2: Convert to fraction form
    57,840.83/79,821.41 = 35,180.77/x
  3. Step 3: Cross multiply
    57,840.83x = 79,821.41 × 35,180.77
  4. Step 4: Simplify right side
    57,840.83x = 2,808,178,666.29
  5. Step 5: Solve for x
    x = 2,808,178,666.29/57,840.83
  6. Step 6: Final answer
    x = 48,550.11

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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.