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Finding the Fourth Proportional to 57,619.56, 86,432.76 and 16,066.56

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Solution

The fourth proportional to 57,619.56, 86,432.76 and 16,066.56 is: 24,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,619.56 : 86,432.76 = 16,066.56 : x
  2. Step 2: Convert to fraction form
    57,619.56/86,432.76 = 16,066.56/x
  3. Step 3: Cross multiply
    57,619.56x = 86,432.76 × 16,066.56
  4. Step 4: Simplify right side
    57,619.56x = 1,388,677,124.51
  5. Step 5: Solve for x
    x = 1,388,677,124.51/57,619.56
  6. Step 6: Final answer
    x = 24,100.79

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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.