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Finding the Fourth Proportional to 57,788.91, 79,754.36 and 35,126.19

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Solution

The fourth proportional to 57,788.91, 79,754.36 and 35,126.19 is: 48,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,788.91 : 79,754.36 = 35,126.19 : x
  2. Step 2: Convert to fraction form
    57,788.91/79,754.36 = 35,126.19/x
  3. Step 3: Cross multiply
    57,788.91x = 79,754.36 × 35,126.19
  4. Step 4: Simplify right side
    57,788.91x = 2,801,466,627.06
  5. Step 5: Solve for x
    x = 2,801,466,627.06/57,788.91
  6. Step 6: Final answer
    x = 48,477.58

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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.