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Finding the Fourth Proportional to 64,049.64, 88,388.49 and 35,755.32

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Solution

The fourth proportional to 64,049.64, 88,388.49 and 35,755.32 is: 49,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,049.64 : 88,388.49 = 35,755.32 : x
  2. Step 2: Convert to fraction form
    64,049.64/88,388.49 = 35,755.32/x
  3. Step 3: Cross multiply
    64,049.64x = 88,388.49 × 35,755.32
  4. Step 4: Simplify right side
    64,049.64x = 3,160,358,744.27
  5. Step 5: Solve for x
    x = 3,160,358,744.27/64,049.64
  6. Step 6: Final answer
    x = 49,342.33

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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.