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Finding the Fourth Proportional to 64,078.75, 88,430.00 and 35,398.33

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Solution

The fourth proportional to 64,078.75, 88,430.00 and 35,398.33 is: 48,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,078.75 : 88,430.00 = 35,398.33 : x
  2. Step 2: Convert to fraction form
    64,078.75/88,430.00 = 35,398.33/x
  3. Step 3: Cross multiply
    64,078.75x = 88,430.00 × 35,398.33
  4. Step 4: Simplify right side
    64,078.75x = 3,130,273,968.25
  5. Step 5: Solve for x
    x = 3,130,273,968.25/64,078.75
  6. Step 6: Final answer
    x = 48,850.43

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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.