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Finding the Fourth Proportional to 57,726.88, 79,664.70 and 32,578

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Solution

The fourth proportional to 57,726.88, 79,664.70 and 32,578 is: 44,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,726.88 : 79,664.70 = 32,578 : x
  2. Step 2: Convert to fraction form
    57,726.88/79,664.70 = 32,578/x
  3. Step 3: Cross multiply
    57,726.88x = 79,664.70 × 32,578
  4. Step 4: Simplify right side
    57,726.88x = 2,595,316,596.60
  5. Step 5: Solve for x
    x = 2,595,316,596.60/57,726.88
  6. Step 6: Final answer
    x = 44,958.55

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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.