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Finding the Fourth Proportional to 39,262.56, 58,866 and 18,474.72

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Solution

The fourth proportional to 39,262.56, 58,866 and 18,474.72 is: 27,698.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,262.56 : 58,866 = 18,474.72 : x
  2. Step 2: Convert to fraction form
    39,262.56/58,866 = 18,474.72/x
  3. Step 3: Cross multiply
    39,262.56x = 58,866 × 18,474.72
  4. Step 4: Simplify right side
    39,262.56x = 1,087,532,867.52
  5. Step 5: Solve for x
    x = 1,087,532,867.52/39,262.56
  6. Step 6: Final answer
    x = 27,698.98

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1.5x scale

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.