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Finding the Fourth Proportional to 34,630.06, 47,789.50 and 19,726.06

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Solution

The fourth proportional to 34,630.06, 47,789.50 and 19,726.06 is: 27,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,630.06 : 47,789.50 = 19,726.06 : x
  2. Step 2: Convert to fraction form
    34,630.06/47,789.50 = 19,726.06/x
  3. Step 3: Cross multiply
    34,630.06x = 47,789.50 × 19,726.06
  4. Step 4: Simplify right side
    34,630.06x = 942,698,544.37
  5. Step 5: Solve for x
    x = 942,698,544.37/34,630.06
  6. Step 6: Final answer
    x = 27,221.97

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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.