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Finding the Fourth Proportional to 53,381.20, 73,664.76 and 29,507.26

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Solution

The fourth proportional to 53,381.20, 73,664.76 and 29,507.26 is: 40,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,381.20 : 73,664.76 = 29,507.26 : x
  2. Step 2: Convert to fraction form
    53,381.20/73,664.76 = 29,507.26/x
  3. Step 3: Cross multiply
    53,381.20x = 73,664.76 × 29,507.26
  4. Step 4: Simplify right side
    53,381.20x = 2,173,645,226.16
  5. Step 5: Solve for x
    x = 2,173,645,226.16/53,381.20
  6. Step 6: Final answer
    x = 40,719.30

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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.