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Finding the Fourth Proportional to 61,851.88, 85,355.58 and 34,993.84

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Solution

The fourth proportional to 61,851.88, 85,355.58 and 34,993.84 is: 48,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,851.88 : 85,355.58 = 34,993.84 : x
  2. Step 2: Convert to fraction form
    61,851.88/85,355.58 = 34,993.84/x
  3. Step 3: Cross multiply
    61,851.88x = 85,355.58 × 34,993.84
  4. Step 4: Simplify right side
    61,851.88x = 2,986,919,509.63
  5. Step 5: Solve for x
    x = 2,986,919,509.63/61,851.88
  6. Step 6: Final answer
    x = 48,291.49

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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.