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Finding the Fourth Proportional to 67,125.99, 92,648.03 and 42,580.97

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Solution

The fourth proportional to 67,125.99, 92,648.03 and 42,580.97 is: 58,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,125.99 : 92,648.03 = 42,580.97 : x
  2. Step 2: Convert to fraction form
    67,125.99/92,648.03 = 42,580.97/x
  3. Step 3: Cross multiply
    67,125.99x = 92,648.03 × 42,580.97
  4. Step 4: Simplify right side
    67,125.99x = 3,945,042,309.84
  5. Step 5: Solve for x
    x = 3,945,042,309.84/67,125.99
  6. Step 6: Final answer
    x = 58,770.71

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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.