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Finding the Fourth Proportional to 57,751.48, 79,696.19 and 32,258.20

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Solution

The fourth proportional to 57,751.48, 79,696.19 and 32,258.20 is: 44,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,751.48 : 79,696.19 = 32,258.20 : x
  2. Step 2: Convert to fraction form
    57,751.48/79,696.19 = 32,258.20/x
  3. Step 3: Cross multiply
    57,751.48x = 79,696.19 × 32,258.20
  4. Step 4: Simplify right side
    57,751.48x = 2,570,855,076.49
  5. Step 5: Solve for x
    x = 2,570,855,076.49/57,751.48
  6. Step 6: Final answer
    x = 44,515.83

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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.