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Finding the Fourth Proportional to 57,463.93, 79,302.49 and 34,790.11

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Solution

The fourth proportional to 57,463.93, 79,302.49 and 34,790.11 is: 48,011.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,463.93 : 79,302.49 = 34,790.11 : x
  2. Step 2: Convert to fraction form
    57,463.93/79,302.49 = 34,790.11/x
  3. Step 3: Cross multiply
    57,463.93x = 79,302.49 × 34,790.11
  4. Step 4: Simplify right side
    57,463.93x = 2,758,942,260.84
  5. Step 5: Solve for x
    x = 2,758,942,260.84/57,463.93
  6. Step 6: Final answer
    x = 48,011.72

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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.