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Finding the Fourth Proportional to 52,907.85, 79,361.78 and 41,229.81

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Solution

The fourth proportional to 52,907.85, 79,361.78 and 41,229.81 is: 61,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,907.85 : 79,361.78 = 41,229.81 : x
  2. Step 2: Convert to fraction form
    52,907.85/79,361.78 = 41,229.81/x
  3. Step 3: Cross multiply
    52,907.85x = 79,361.78 × 41,229.81
  4. Step 4: Simplify right side
    52,907.85x = 3,272,070,904.51
  5. Step 5: Solve for x
    x = 3,272,070,904.51/52,907.85
  6. Step 6: Final answer
    x = 61,844.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.