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Finding the Fourth Proportional to 55,878, 83,872.07 and 41,045.28

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Solution

The fourth proportional to 55,878, 83,872.07 and 41,045.28 is: 61,608.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,878 : 83,872.07 = 41,045.28 : x
  2. Step 2: Convert to fraction form
    55,878/83,872.07 = 41,045.28/x
  3. Step 3: Cross multiply
    55,878x = 83,872.07 × 41,045.28
  4. Step 4: Simplify right side
    55,878x = 3,442,552,597.33
  5. Step 5: Solve for x
    x = 3,442,552,597.33/55,878
  6. Step 6: Final answer
    x = 61,608.37

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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.