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Finding the Fourth Proportional to 64,337, 88,785.06 and 36,042.68

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Solution

The fourth proportional to 64,337, 88,785.06 and 36,042.68 is: 49,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,337 : 88,785.06 = 36,042.68 : x
  2. Step 2: Convert to fraction form
    64,337/88,785.06 = 36,042.68/x
  3. Step 3: Cross multiply
    64,337x = 88,785.06 × 36,042.68
  4. Step 4: Simplify right side
    64,337x = 3,200,051,506.36
  5. Step 5: Solve for x
    x = 3,200,051,506.36/64,337
  6. Step 6: Final answer
    x = 49,738.90

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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.