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Finding the Fourth Proportional to 53,859.90, 74,311.62 and 32,343.84

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Solution

The fourth proportional to 53,859.90, 74,311.62 and 32,343.84 is: 44,625.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.90 : 74,311.62 = 32,343.84 : x
  2. Step 2: Convert to fraction form
    53,859.90/74,311.62 = 32,343.84/x
  3. Step 3: Cross multiply
    53,859.90x = 74,311.62 × 32,343.84
  4. Step 4: Simplify right side
    53,859.90x = 2,403,523,147.42
  5. Step 5: Solve for x
    x = 2,403,523,147.42/53,859.90
  6. Step 6: Final answer
    x = 44,625.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.