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Finding the Fourth Proportional to 59,889.60, 82,663.20 and 36,043.20

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Solution

The fourth proportional to 59,889.60, 82,663.20 and 36,043.20 is: 49,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,889.60 : 82,663.20 = 36,043.20 : x
  2. Step 2: Convert to fraction form
    59,889.60/82,663.20 = 36,043.20/x
  3. Step 3: Cross multiply
    59,889.60x = 82,663.20 × 36,043.20
  4. Step 4: Simplify right side
    59,889.60x = 2,979,446,250.24
  5. Step 5: Solve for x
    x = 2,979,446,250.24/59,889.60
  6. Step 6: Final answer
    x = 49,748.98

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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.