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Finding the Fourth Proportional to 57,657.75, 79,568.91 and 32,507.25

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Solution

The fourth proportional to 57,657.75, 79,568.91 and 32,507.25 is: 44,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,657.75 : 79,568.91 = 32,507.25 : x
  2. Step 2: Convert to fraction form
    57,657.75/79,568.91 = 32,507.25/x
  3. Step 3: Cross multiply
    57,657.75x = 79,568.91 × 32,507.25
  4. Step 4: Simplify right side
    57,657.75x = 2,586,566,449.60
  5. Step 5: Solve for x
    x = 2,586,566,449.60/57,657.75
  6. Step 6: Final answer
    x = 44,860.69

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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.