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Finding the Fourth Proportional to 64,326.75, 88,762.60 and 36,032.43

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Solution

The fourth proportional to 64,326.75, 88,762.60 and 36,032.43 is: 49,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,326.75 : 88,762.60 = 36,032.43 : x
  2. Step 2: Convert to fraction form
    64,326.75/88,762.60 = 36,032.43/x
  3. Step 3: Cross multiply
    64,326.75x = 88,762.60 × 36,032.43
  4. Step 4: Simplify right side
    64,326.75x = 3,198,332,171.12
  5. Step 5: Solve for x
    x = 3,198,332,171.12/64,326.75
  6. Step 6: Final answer
    x = 49,720.10

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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.