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Finding the Fourth Proportional to 33,848.70, 50,675.85 and 20,726.70

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Solution

The fourth proportional to 33,848.70, 50,675.85 and 20,726.70 is: 31,030.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,848.70 : 50,675.85 = 20,726.70 : x
  2. Step 2: Convert to fraction form
    33,848.70/50,675.85 = 20,726.70/x
  3. Step 3: Cross multiply
    33,848.70x = 50,675.85 × 20,726.70
  4. Step 4: Simplify right side
    33,848.70x = 1,050,343,140.20
  5. Step 5: Solve for x
    x = 1,050,343,140.20/33,848.70
  6. Step 6: Final answer
    x = 31,030.53

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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.