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Finding the Fourth Proportional to 57,438.36, 79,256.37 and 32,283

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Solution

The fourth proportional to 57,438.36, 79,256.37 and 32,283 is: 44,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,438.36 : 79,256.37 = 32,283 : x
  2. Step 2: Convert to fraction form
    57,438.36/79,256.37 = 32,283/x
  3. Step 3: Cross multiply
    57,438.36x = 79,256.37 × 32,283
  4. Step 4: Simplify right side
    57,438.36x = 2,558,633,392.71
  5. Step 5: Solve for x
    x = 2,558,633,392.71/57,438.36
  6. Step 6: Final answer
    x = 44,545.73

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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.