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Finding the Fourth Proportional to 57,343.52, 85,861.11 and 46,769.92

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Solution

The fourth proportional to 57,343.52, 85,861.11 and 46,769.92 is: 70,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,343.52 : 85,861.11 = 46,769.92 : x
  2. Step 2: Convert to fraction form
    57,343.52/85,861.11 = 46,769.92/x
  3. Step 3: Cross multiply
    57,343.52x = 85,861.11 × 46,769.92
  4. Step 4: Simplify right side
    57,343.52x = 4,015,716,816.51
  5. Step 5: Solve for x
    x = 4,015,716,816.51/57,343.52
  6. Step 6: Final answer
    x = 70,029.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.