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Finding the Fourth Proportional to 57,751.65, 79,700.36 and 33,880.41

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Solution

The fourth proportional to 57,751.65, 79,700.36 and 33,880.41 is: 46,756.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,751.65 : 79,700.36 = 33,880.41 : x
  2. Step 2: Convert to fraction form
    57,751.65/79,700.36 = 33,880.41/x
  3. Step 3: Cross multiply
    57,751.65x = 79,700.36 × 33,880.41
  4. Step 4: Simplify right side
    57,751.65x = 2,700,280,704.55
  5. Step 5: Solve for x
    x = 2,700,280,704.55/57,751.65
  6. Step 6: Final answer
    x = 46,756.77

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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.