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Finding the Fourth Proportional to 64,214.22, 88,615.94 and 35,919.91

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Solution

The fourth proportional to 64,214.22, 88,615.94 and 35,919.91 is: 49,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,214.22 : 88,615.94 = 35,919.91 : x
  2. Step 2: Convert to fraction form
    64,214.22/88,615.94 = 35,919.91/x
  3. Step 3: Cross multiply
    64,214.22x = 88,615.94 × 35,919.91
  4. Step 4: Simplify right side
    64,214.22x = 3,183,076,589.37
  5. Step 5: Solve for x
    x = 3,183,076,589.37/64,214.22
  6. Step 6: Final answer
    x = 49,569.65

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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.