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Finding the Fourth Proportional to 53,243.70, 73,475.13 and 29,370.39

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Solution

The fourth proportional to 53,243.70, 73,475.13 and 29,370.39 is: 40,530.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,243.70 : 73,475.13 = 29,370.39 : x
  2. Step 2: Convert to fraction form
    53,243.70/73,475.13 = 29,370.39/x
  3. Step 3: Cross multiply
    53,243.70x = 73,475.13 × 29,370.39
  4. Step 4: Simplify right side
    53,243.70x = 2,157,993,223.40
  5. Step 5: Solve for x
    x = 2,157,993,223.40/53,243.70
  6. Step 6: Final answer
    x = 40,530.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.