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Finding the Fourth Proportional to 64,213.78, 88,623.41 and 35,925.30

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Solution

The fourth proportional to 64,213.78, 88,623.41 and 35,925.30 is: 49,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,213.78 : 88,623.41 = 35,925.30 : x
  2. Step 2: Convert to fraction form
    64,213.78/88,623.41 = 35,925.30/x
  3. Step 3: Cross multiply
    64,213.78x = 88,623.41 × 35,925.30
  4. Step 4: Simplify right side
    64,213.78x = 3,183,822,591.27
  5. Step 5: Solve for x
    x = 3,183,822,591.27/64,213.78
  6. Step 6: Final answer
    x = 49,581.61

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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.