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Finding the Fourth Proportional to 57,729.92, 79,637.94 and 35,062.88

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Solution

The fourth proportional to 57,729.92, 79,637.94 and 35,062.88 is: 48,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,729.92 : 79,637.94 = 35,062.88 : x
  2. Step 2: Convert to fraction form
    57,729.92/79,637.94 = 35,062.88/x
  3. Step 3: Cross multiply
    57,729.92x = 79,637.94 × 35,062.88
  4. Step 4: Simplify right side
    57,729.92x = 2,792,335,533.67
  5. Step 5: Solve for x
    x = 2,792,335,533.67/57,729.92
  6. Step 6: Final answer
    x = 48,368.95

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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.