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Finding the Fourth Proportional to 61,258.80, 84,550.32 and 37,380.36

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Solution

The fourth proportional to 61,258.80, 84,550.32 and 37,380.36 is: 51,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,258.80 : 84,550.32 = 37,380.36 : x
  2. Step 2: Convert to fraction form
    61,258.80/84,550.32 = 37,380.36/x
  3. Step 3: Cross multiply
    61,258.80x = 84,550.32 × 37,380.36
  4. Step 4: Simplify right side
    61,258.80x = 3,160,521,399.72
  5. Step 5: Solve for x
    x = 3,160,521,399.72/61,258.80
  6. Step 6: Final answer
    x = 51,592.94

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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.