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Finding the Fourth Proportional to 64,441.24, 88,929.64 and 35,761.44

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Solution

The fourth proportional to 64,441.24, 88,929.64 and 35,761.44 is: 49,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,441.24 : 88,929.64 = 35,761.44 : x
  2. Step 2: Convert to fraction form
    64,441.24/88,929.64 = 35,761.44/x
  3. Step 3: Cross multiply
    64,441.24x = 88,929.64 × 35,761.44
  4. Step 4: Simplify right side
    64,441.24x = 3,180,251,985.08
  5. Step 5: Solve for x
    x = 3,180,251,985.08/64,441.24
  6. Step 6: Final answer
    x = 49,351.19

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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.