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Finding the Fourth Proportional to 58,338.94, 87,508.41 and 16,785.94

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Solution

The fourth proportional to 58,338.94, 87,508.41 and 16,785.94 is: 25,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,338.94 : 87,508.41 = 16,785.94 : x
  2. Step 2: Convert to fraction form
    58,338.94/87,508.41 = 16,785.94/x
  3. Step 3: Cross multiply
    58,338.94x = 87,508.41 × 16,785.94
  4. Step 4: Simplify right side
    58,338.94x = 1,468,910,700.98
  5. Step 5: Solve for x
    x = 1,468,910,700.98/58,338.94
  6. Step 6: Final answer
    x = 25,178.91

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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.