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Finding the Fourth Proportional to 57,968.61, 86,950.08 and 18,524.04

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Solution

The fourth proportional to 57,968.61, 86,950.08 and 18,524.04 is: 27,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,968.61 : 86,950.08 = 18,524.04 : x
  2. Step 2: Convert to fraction form
    57,968.61/86,950.08 = 18,524.04/x
  3. Step 3: Cross multiply
    57,968.61x = 86,950.08 × 18,524.04
  4. Step 4: Simplify right side
    57,968.61x = 1,610,666,759.92
  5. Step 5: Solve for x
    x = 1,610,666,759.92/57,968.61
  6. Step 6: Final answer
    x = 27,785.15

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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.