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Finding the Fourth Proportional to 58,033.68, 87,063.05 and 18,051.90

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Solution

The fourth proportional to 58,033.68, 87,063.05 and 18,051.90 is: 27,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,033.68 : 87,063.05 = 18,051.90 : x
  2. Step 2: Convert to fraction form
    58,033.68/87,063.05 = 18,051.90/x
  3. Step 3: Cross multiply
    58,033.68x = 87,063.05 × 18,051.90
  4. Step 4: Simplify right side
    58,033.68x = 1,571,653,843.91
  5. Step 5: Solve for x
    x = 1,571,653,843.91/58,033.68
  6. Step 6: Final answer
    x = 27,081.75

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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.