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Finding the Fourth Proportional to 57,682, 79,529.04 and 48,135.64

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Solution

The fourth proportional to 57,682, 79,529.04 and 48,135.64 is: 66,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,682 : 79,529.04 = 48,135.64 : x
  2. Step 2: Convert to fraction form
    57,682/79,529.04 = 48,135.64/x
  3. Step 3: Cross multiply
    57,682x = 79,529.04 × 48,135.64
  4. Step 4: Simplify right side
    57,682x = 3,828,181,238.99
  5. Step 5: Solve for x
    x = 3,828,181,238.99/57,682
  6. Step 6: Final answer
    x = 66,367.00

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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.