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Finding the Fourth Proportional to 39,907, 59,860.80 and 17,714.41

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Solution

The fourth proportional to 39,907, 59,860.80 and 17,714.41 is: 26,571.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907 : 59,860.80 = 17,714.41 : x
  2. Step 2: Convert to fraction form
    39,907/59,860.80 = 17,714.41/x
  3. Step 3: Cross multiply
    39,907x = 59,860.80 × 17,714.41
  4. Step 4: Simplify right side
    39,907x = 1,060,398,754.13
  5. Step 5: Solve for x
    x = 1,060,398,754.13/39,907
  6. Step 6: Final answer
    x = 26,571.75

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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.