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Finding the Fourth Proportional to 62,642.94, 93,992.34 and 28,890.80

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Solution

The fourth proportional to 62,642.94, 93,992.34 and 28,890.80 is: 43,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,642.94 : 93,992.34 = 28,890.80 : x
  2. Step 2: Convert to fraction form
    62,642.94/93,992.34 = 28,890.80/x
  3. Step 3: Cross multiply
    62,642.94x = 93,992.34 × 28,890.80
  4. Step 4: Simplify right side
    62,642.94x = 2,715,514,398.29
  5. Step 5: Solve for x
    x = 2,715,514,398.29/62,642.94
  6. Step 6: Final answer
    x = 43,349.09

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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.