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Finding the Fourth Proportional to 56,604.48, 78,114.64 and 35,396.04

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Solution

The fourth proportional to 56,604.48, 78,114.64 and 35,396.04 is: 48,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,604.48 : 78,114.64 = 35,396.04 : x
  2. Step 2: Convert to fraction form
    56,604.48/78,114.64 = 35,396.04/x
  3. Step 3: Cross multiply
    56,604.48x = 78,114.64 × 35,396.04
  4. Step 4: Simplify right side
    56,604.48x = 2,764,948,922.03
  5. Step 5: Solve for x
    x = 2,764,948,922.03/56,604.48
  6. Step 6: Final answer
    x = 48,846.82

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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.