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Finding the Fourth Proportional to 53,370.80, 73,651.03 and 29,171.64

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Solution

The fourth proportional to 53,370.80, 73,651.03 and 29,171.64 is: 40,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,370.80 : 73,651.03 = 29,171.64 : x
  2. Step 2: Convert to fraction form
    53,370.80/73,651.03 = 29,171.64/x
  3. Step 3: Cross multiply
    53,370.80x = 73,651.03 × 29,171.64
  4. Step 4: Simplify right side
    53,370.80x = 2,148,521,259.86
  5. Step 5: Solve for x
    x = 2,148,521,259.86/53,370.80
  6. Step 6: Final answer
    x = 40,256.50

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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.