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Finding the Fourth Proportional to 67,791.68, 93,558.12 and 37,586.48

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Solution

The fourth proportional to 67,791.68, 93,558.12 and 37,586.48 is: 51,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,791.68 : 93,558.12 = 37,586.48 : x
  2. Step 2: Convert to fraction form
    67,791.68/93,558.12 = 37,586.48/x
  3. Step 3: Cross multiply
    67,791.68x = 93,558.12 × 37,586.48
  4. Step 4: Simplify right side
    67,791.68x = 3,516,520,406.22
  5. Step 5: Solve for x
    x = 3,516,520,406.22/67,791.68
  6. Step 6: Final answer
    x = 51,872.45

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1.5x scale

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.