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Finding the Fourth Proportional to 74,969.62, 112,485.51 and 32,827.95

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Solution

The fourth proportional to 74,969.62, 112,485.51 and 32,827.95 is: 49,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,969.62 : 112,485.51 = 32,827.95 : x
  2. Step 2: Convert to fraction form
    74,969.62/112,485.51 = 32,827.95/x
  3. Step 3: Cross multiply
    74,969.62x = 112,485.51 × 32,827.95
  4. Step 4: Simplify right side
    74,969.62x = 3,692,668,698.00
  5. Step 5: Solve for x
    x = 3,692,668,698.00/74,969.62
  6. Step 6: Final answer
    x = 49,255.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.