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Finding the Fourth Proportional to 64,369.05, 88,821.09 and 35,688.44

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Solution

The fourth proportional to 64,369.05, 88,821.09 and 35,688.44 is: 49,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369.05 : 88,821.09 = 35,688.44 : x
  2. Step 2: Convert to fraction form
    64,369.05/88,821.09 = 35,688.44/x
  3. Step 3: Cross multiply
    64,369.05x = 88,821.09 × 35,688.44
  4. Step 4: Simplify right side
    64,369.05x = 3,169,885,697.09
  5. Step 5: Solve for x
    x = 3,169,885,697.09/64,369.05
  6. Step 6: Final answer
    x = 49,245.49

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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.