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Finding the Fourth Proportional to 52,796.34, 78,797.96 and 45,649.04

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Solution

The fourth proportional to 52,796.34, 78,797.96 and 45,649.04 is: 68,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,796.34 : 78,797.96 = 45,649.04 : x
  2. Step 2: Convert to fraction form
    52,796.34/78,797.96 = 45,649.04/x
  3. Step 3: Cross multiply
    52,796.34x = 78,797.96 × 45,649.04
  4. Step 4: Simplify right side
    52,796.34x = 3,597,051,033.68
  5. Step 5: Solve for x
    x = 3,597,051,033.68/52,796.34
  6. Step 6: Final answer
    x = 68,130.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.