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Finding the Fourth Proportional to 57,329.68, 85,892.68 and 48,924.40

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Solution

The fourth proportional to 57,329.68, 85,892.68 and 48,924.40 is: 73,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,329.68 : 85,892.68 = 48,924.40 : x
  2. Step 2: Convert to fraction form
    57,329.68/85,892.68 = 48,924.40/x
  3. Step 3: Cross multiply
    57,329.68x = 85,892.68 × 48,924.40
  4. Step 4: Simplify right side
    57,329.68x = 4,202,247,833.39
  5. Step 5: Solve for x
    x = 4,202,247,833.39/57,329.68
  6. Step 6: Final answer
    x = 73,299.69

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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.