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Finding the Fourth Proportional to 53,169.60, 73,373.04 and 29,298.48

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Solution

The fourth proportional to 53,169.60, 73,373.04 and 29,298.48 is: 40,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,169.60 : 73,373.04 = 29,298.48 : x
  2. Step 2: Convert to fraction form
    53,169.60/73,373.04 = 29,298.48/x
  3. Step 3: Cross multiply
    53,169.60x = 73,373.04 × 29,298.48
  4. Step 4: Simplify right side
    53,169.60x = 2,149,718,544.98
  5. Step 5: Solve for x
    x = 2,149,718,544.98/53,169.60
  6. Step 6: Final answer
    x = 40,431.35

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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.