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Finding the Fourth Proportional to 64,435.76, 88,921.85 and 35,755.53

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Solution

The fourth proportional to 64,435.76, 88,921.85 and 35,755.53 is: 49,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,435.76 : 88,921.85 = 35,755.53 : x
  2. Step 2: Convert to fraction form
    64,435.76/88,921.85 = 35,755.53/x
  3. Step 3: Cross multiply
    64,435.76x = 88,921.85 × 35,755.53
  4. Step 4: Simplify right side
    64,435.76x = 3,179,448,064.41
  5. Step 5: Solve for x
    x = 3,179,448,064.41/64,435.76
  6. Step 6: Final answer
    x = 49,342.91

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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.