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Finding the Fourth Proportional to 61,565.88, 84,954.78 and 37,699.32

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Solution

The fourth proportional to 61,565.88, 84,954.78 and 37,699.32 is: 52,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,565.88 : 84,954.78 = 37,699.32 : x
  2. Step 2: Convert to fraction form
    61,565.88/84,954.78 = 37,699.32/x
  3. Step 3: Cross multiply
    61,565.88x = 84,954.78 × 37,699.32
  4. Step 4: Simplify right side
    61,565.88x = 3,202,737,436.75
  5. Step 5: Solve for x
    x = 3,202,737,436.75/61,565.88
  6. Step 6: Final answer
    x = 52,021.31

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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.