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Finding the Fourth Proportional to 61,599.21, 85,008.47 and 37,739.04

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Solution

The fourth proportional to 61,599.21, 85,008.47 and 37,739.04 is: 52,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,599.21 : 85,008.47 = 37,739.04 : x
  2. Step 2: Convert to fraction form
    61,599.21/85,008.47 = 37,739.04/x
  3. Step 3: Cross multiply
    61,599.21x = 85,008.47 × 37,739.04
  4. Step 4: Simplify right side
    61,599.21x = 3,208,137,860.97
  5. Step 5: Solve for x
    x = 3,208,137,860.97/61,599.21
  6. Step 6: Final answer
    x = 52,080.83

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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.