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Finding the Fourth Proportional to 57,901.70, 86,856.60 and 22,836.80

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Solution

The fourth proportional to 57,901.70, 86,856.60 and 22,836.80 is: 34,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,901.70 : 86,856.60 = 22,836.80 : x
  2. Step 2: Convert to fraction form
    57,901.70/86,856.60 = 22,836.80/x
  3. Step 3: Cross multiply
    57,901.70x = 86,856.60 × 22,836.80
  4. Step 4: Simplify right side
    57,901.70x = 1,983,526,802.88
  5. Step 5: Solve for x
    x = 1,983,526,802.88/57,901.70
  6. Step 6: Final answer
    x = 34,256.80

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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.