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Finding the Fourth Proportional to 58,048.37, 87,043.39 and 26,905.49

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Solution

The fourth proportional to 58,048.37, 87,043.39 and 26,905.49 is: 40,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,048.37 : 87,043.39 = 26,905.49 : x
  2. Step 2: Convert to fraction form
    58,048.37/87,043.39 = 26,905.49/x
  3. Step 3: Cross multiply
    58,048.37x = 87,043.39 × 26,905.49
  4. Step 4: Simplify right side
    58,048.37x = 2,341,945,059.21
  5. Step 5: Solve for x
    x = 2,341,945,059.21/58,048.37
  6. Step 6: Final answer
    x = 40,344.72

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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.