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Finding the Fourth Proportional to 64,426.35, 88,905.36 and 35,745.71

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Solution

The fourth proportional to 64,426.35, 88,905.36 and 35,745.71 is: 49,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,426.35 : 88,905.36 = 35,745.71 : x
  2. Step 2: Convert to fraction form
    64,426.35/88,905.36 = 35,745.71/x
  3. Step 3: Cross multiply
    64,426.35x = 88,905.36 × 35,745.71
  4. Step 4: Simplify right side
    64,426.35x = 3,177,984,771.48
  5. Step 5: Solve for x
    x = 3,177,984,771.48/64,426.35
  6. Step 6: Final answer
    x = 49,327.41

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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.