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Finding the Fourth Proportional to 47,291.80, 70,905.30 and 22,343.80

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Solution

The fourth proportional to 47,291.80, 70,905.30 and 22,343.80 is: 33,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,291.80 : 70,905.30 = 22,343.80 : x
  2. Step 2: Convert to fraction form
    47,291.80/70,905.30 = 22,343.80/x
  3. Step 3: Cross multiply
    47,291.80x = 70,905.30 × 22,343.80
  4. Step 4: Simplify right side
    47,291.80x = 1,584,293,842.14
  5. Step 5: Solve for x
    x = 1,584,293,842.14/47,291.80
  6. Step 6: Final answer
    x = 33,500.39

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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.