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Finding the Fourth Proportional to 72,275.77, 108,394.50 and 32,824.11

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Solution

The fourth proportional to 72,275.77, 108,394.50 and 32,824.11 is: 49,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,275.77 : 108,394.50 = 32,824.11 : x
  2. Step 2: Convert to fraction form
    72,275.77/108,394.50 = 32,824.11/x
  3. Step 3: Cross multiply
    72,275.77x = 108,394.50 × 32,824.11
  4. Step 4: Simplify right side
    72,275.77x = 3,557,952,991.40
  5. Step 5: Solve for x
    x = 3,557,952,991.40/72,275.77
  6. Step 6: Final answer
    x = 49,227.47

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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.