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Finding the Fourth Proportional to 64,370.91, 88,835.51 and 36,078.42

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Solution

The fourth proportional to 64,370.91, 88,835.51 and 36,078.42 is: 49,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,370.91 : 88,835.51 = 36,078.42 : x
  2. Step 2: Convert to fraction form
    64,370.91/88,835.51 = 36,078.42/x
  3. Step 3: Cross multiply
    64,370.91x = 88,835.51 × 36,078.42
  4. Step 4: Simplify right side
    64,370.91x = 3,205,044,660.30
  5. Step 5: Solve for x
    x = 3,205,044,660.30/64,370.91
  6. Step 6: Final answer
    x = 49,790.26

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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.